Related by context. All words. (Click for frequent words.) 74 Three Gorges Dam 66 Three Gorges Project 65 massive Three Gorges 64 Three Gorges 62 Three Gorges Reservoir 62 Three Gorges reservoir 61 Xiluodu 60 Xiangjiaba 58 Qinghai Tibet railway 58 Yangtze River Three Gorges 57 Sutong Bridge 57 Xiaowan 57 Yangtze river 57 Zangmu 56 Zipingpu 56 Jinsha River 56 Tehri dam 56 Huaihe River 56 Nujiang River 55 Yangtze tributary 55 Hanjiang River 54 Yarlung Zangbo 54 Yangtze 54 Danjiangkou Reservoir 54 Tangjiashan quake lake 54 Xiaolangdi 54 Weihe River 54 Poyang Lake 54 Yangtze River 54 Nathpa Jhakri project 53 gigantic Three Gorges 53 Huai River 53 Yangtze Three Gorges 53 Danjiangkou reservoir 53 Huaihe 53 Yangtze River basin 53 Minjiang River 53 Water Diversion 52 Sardar Sarovar 52 Qinghai Tibet Railway 52 Three Gorges hydroelectric 52 Tsangpo 52 Three Gorges hydroelectric dam 51 Merowe Dam 51 Three Gorges hydropower 51 Zipingpu dam 51 mighty Yangtze River 51 northwestern Qinghai Province 51 Gibe III 51 Nam Theun 2 51 Tekeze 51 Bakun dam 51 hydropower dam 51 Xiangjiang River 51 Yarlung Tsangpo 51 Belo Monte hydroelectric dam 51 mammoth Three Gorges 51 Hydropower Station 51 Tangjiashan 51 Gorges Dam 51 Nathpa 50 Murum dam 50 Dazhou 50 Xijiang River 50 Guanting Reservoir 50 Yarlung Zangbo River 50 Lancang River 50 Donghai Bridge 50 Minqin 50 Brahmaputra river 50 Hongze Lake 50 Bhasha Dam 50 Haihe River 50 Taihu Lake 49 Narmada Dam 49 Belo Monte 49 Brahmaputra River 49 Danjiangkou 49 Sivand Dam 49 Qinghai Tibet 49 Farakka Barrage 49 Changxing Island 49 Xiaolangdi Reservoir 49 Gezhouba 49 Sardar Sarovar dam 49 Zipingpu Dam 49 Ling'ao nuclear 49 Can Tho Bridge 49 Middle Vaitarna 49 Jianjiang River 48 Kafue Gorge Lower 48 Longyuan 48 Nam Theun 48 Puguang 48 hydro electric dam 48 Glines Canyon Dam 48 Fengjie 48 Tuojiang River 48 Xiaonanhai dam 48 Yangtze basin 48 Sanjiangyuan 48 foot Glines Canyon 48 Songhua 48 Yichang Hubei Province 48 Cao Guangjing 48 Indira Sagar dam 48 Dongting 48 Yingde 48 unfinished Wangjialing mine 48 Tarim River 48 Tangshan earthquake 48 dam 48 Qinghai Tibet plateau 48 greenhouse gas emitter 48 Nathpa Jhakri 48 Grand Inga 48 Fu Xiancai 48 Tehri Dam 48 hydropower 48 Yangshan Port 48 Guanting 48 hydroelectric dam 48 Cao Guangjing deputy 48 Dianchi Lake 47 Kariba Dam 47 Yongding River 47 Liaohe River 47 swollen Huai River 47 Gaomendong Coal Mine 47 Daxing Coal Mine 47 Cahora Bassa dam 47 Bohai Sea 47 Saemangeum 47 Itaipu dam 47 Qiantang River 47 southwestern Chongqing municipality 47 Cahora Bassa Dam 47 Qinghai Tibet Plateau 47 Sayano Shushenskaya 47 Sanmenxia 47 Shanxi Henan 47 Xingu river 47 Taunsa Barrage 47 Caofeidian 47 Basha Dam 47 Narmada dam 47 Manwan 47 Ilısu Dam 47 MW Nathpa Jhakri 47 Miyun Reservoir 47 Suramadu Bridge 47 Belo Monte hydroelectric 47 Baglihar project 47 Bhakra dam 47 Burdekin Falls 47 mountainous Sichuan province 47 Sardar Sarovar Dam 47 Ragged Mountain Reservoir 47 Chongming Island 47 Bakun Dam 47 Quanzhou Fujian Province 46 Minjiang 46 #GW [002] 46 Wang Shucheng 46 Malaysia Petronas Twin Towers 46 Yangshan 46 Mount Qomolangma 46 carbon emitter 46 Kulekhani 46 Emaar Properties Burj Dubai 46 neighboring Hebei Province 46 tropical storm Bilis 46 Merowe 46 Haihe 46 Fuding 46 Thorthormi 46 Gilgel Gibe III 46 Kuokuang 46 Neelum Jhelum 46 Qinshan nuclear 46 #MW Bujagali 46 Gibe III dam 46 Sayano Shushenskaya hydroelectric 46 Yangshan port 46 Huaihe river 46 foot Elwha Dam 46 CTGPC 46 Gibe II 46 neighboring Hebei province 46 Merowe dam 46 floodwater diversion 46 Qinshan 46 eastern Shandong Province 46 river Brahmaputra 46 MW Tala 46 Mangla Dam 46 Winnipeg floodway 46 gW 46 Huai river 46 Lengshuijiang 46 rockfill dam 46 Yao Defen 46 swollen Huaihe River 46 Jiayuguan 46 carbon dioxide emitter 46 Huayin 45 Vung Ang 45 Dianchi 45 Qiqihaer 45 Qiantang 45 Mpanda Nkuwa 45 Indira Sagar 45 China Huadian 45 Heilong 45 Guang'an 45 Huadian Power 45 geological disasters 45 Shougang Group 45 Typhoon Saomai 45 Wuhan Hubei Province 45 Paradip port 45 Ilisu 45 Nakai Plateau 45 Zhouqu county 45 Punatsangchhu 45 Karakoram highway 45 cofferdam 45 Yangxi 45 Jinsha 45 Zhangye 45 Tianwan nuclear 45 HidroAysén 45 Xiaoxi 45 Pingwu county 45 Ukai Dam 45 dams 45 Hirakud reservoir 45 Narmada river 45 Mid Marsyangdi 45 Qinshui 45 Ciliwung River 45 Huaxian 45 #mcm 45 Kariba dam 45 Kootenai sturgeon 45 Zijin 45 Torrential rains burst 45 Brahmani river 45 CO2 emitter 45 Vakhsh River 45 riverbank erosion 45 Shihmen Dam 45 Xingu River 45 Tangjiashan Lake 45 Hydropower Project 45 Golmud 45 Meizhou 45 Karakoram Highway 45 Ningde 45 Salween river 45 Sukkur Barrage 45 southwest Sichuan Province 45 Jiamusi 45 Yangtze Power 45 Sichuan Shaanxi 45 Kaeng Sua Ten 45 Alamatti dam 45 Huadian 45 Longmen Shan fault 45 Brahmaputra 45 Dongting Lake 45 Bakun hydro electric 45 Punatsangchu 44 Attabad Lake 44 Salween 44 Qingtongxia 44 Tarbela Dam 44 Hainan Provincial 44 Shennongjia 44 Shanghang 44 Kola NPP 44 Amur river 44 Jinping 44 Hambantota Port 44 Nam Theun II 44 Xiamen Fujian province 44 Nan'ao 44 Amur River 44 hydropower dams 44 Belo Monte Dam 44 Tibet Autonomous Regional 44 Lake Taihu 44 Saptakosi 44 Huludao 44 Fuyuan waterway 44 Shengping 44 Elwha Dam 44 southeastern Fujian Province 44 Anhui Jiangsu 44 Bakun hydroelectric dam 44 Sayano Shushenskaya plant 44 Huaneng 44 river Chenab 44 Gangotri glacier 44 Corporation CTGPC 44 Warsak Dam 44 CGNPG 44 Xayaburi 44 Sutlej river 44 Wang Xiaofeng 44 Jinghong 44 Sluice gates 44 Tangshan Earthquake 44 Fangchenggang 44 Danjiangkou Dam 44 Lupu Bridge 44 Taihu lake 44 Hsuehshan Tunnel 44 Xinhua newsagency 44 Hubei 44 Tropical Storm Prapiroon 44 Leizhou Peninsula 44 mile Gotthard Tunnel 44 Dongtan 44 Hubei Provincial 44 damming rivers 44 Qamdo 44 Shaoguan smelter 44 Daqing Oilfield 44 Diamer Basha dam 44 MW Nathpa 44 Atucha II 44 Siaolin 44 Qiandao Lake 44 freshwater lake 44 headrace tunnel 44 Ningxia Hui Autonomous Region 44 naphtha cracker 44 Tipaimukh dam 44 dams canals 44 Shizuishan 44 Qianmen Street 44 Wangjialing 44 Kosi embankment 44 Lom Pangar 43 Maithon 43 Pingyao 43 Yunyang 43 Ranganadi 43 Hydroelectric Power Station 43 Shaanxi Shanxi 43 Chaohu 43 Huangpu River 43 Nagqu 43 Irrawaddy river 43 Vaal dam 43 Ilısu 43 Bailong 43 Feitsui Reservoir 43 Jialing River 43 Shanghai maglev 43 Li Yong'an general 43 Marina Barrage 43 Tianwan 43 Wuchuan 43 Thames Barrier 43 coastal Zhejiang province 43 Dongjiang 43 Dai Qing 43 Attabad lake 43 Pareechu 43 Sinohydro Corporation 43 Tianmen Mountain 43 Sondu Miriu 43 Qingcaosha Reservoir 43 Dahe 43 Shihmen Reservoir 43 Poyang 43 Upper Kolab 43 Xiangxi 43 Yalong River 43 river Sutlej 43 Longnan 43 Diamer Bhasha 43 MGM Mirage CityCenter 43 Seikan Tunnel 43 Gong Lei 43 Beijiang 43 Athirappilly 43 Administration SEPA 43 Leadville Mine 43 Jiujiang 43 Chaohu Lake 43 Itaipu hydroelectric dam 43 Dezhou 43 Typhoon Neoguri 43 Nimo Bazgo 43 Laibin 43 diversion weir 43 landslide dammed 43 powerful atom smasher 43 Chenab river 43 MW hydropower 43 Farakka 43 Yangzi River 43 Sayano Shushenskaya hydropower 43 Nam Chien 43 eastern Jiangxi Province 43 SHANGHAI Interfax 43 Kashiwazaki Kariwa plant 43 coastal Fujian province 43 MW hydel power 43 Idukki dam 43 Liaoyuan 43 Qinzhou 43 Fan Jianchuan 43 Qiongzhou Straits 43 Saptakoshi 43 Gaoyang 43 inter oceanic 43 Almatti dam 43 Inner Harbor Navigation 43 Dongfang Electric Corp 43 Yunnan Guizhou Plateau 43 Chongqing municipality 43 MW Neelum Jhelum 43 Mahanadi river 43 Pan Yue vice 43 southwestern Sichuan province 43 Masinga dam 43 Ridges Basin 43 Changxing 43 YRCC 43 Hirakud dam 43 Hsiaolin 43 Rogun dam 43 Songshan Mountain 43 Friant Dam 43 hammering monsoon rains 43 Wuxi Jiangsu 43 sluice channel 43 groundwater extraction 43 Rogun hydroelectric 43 Omo River 43 Suhua Freeway 43 steepest retractable roof 43 Jiangxi Copper Co 43 Nagarjunasagar 43 Jiangsu Shandong 43 Typhoon Bilis 43 Suhua Highway 43 Water Cube swimming 43 China Longyuan Power 43 Yangjiang 43 Lop Nur 43 GE #.#xl wind turbines 43 Wangjiaba 43 Melamchi 43 Longmen 43 Kishanganga 43 Wusuli 43 Gomal Zam Dam 43 Typhoon Wipha 43 Hong Kong Zhuhai Macao 43 Zipingpu reservoir 43 China Gezhouba 43 Changjiang 43 hydroelectric 43 Kunlun Mountains 43 Srisailam dam 43 Rajang River 43 Chunyun 43 Zhenhai 43 Golmud Lhasa section 42 greenfield aluminum smelter 42 Pulichintala 42 #,#,# mw 42 Fuhe River 42 hydroelectrical 42 Wenping 42 Gilgel Gibe II 42 Sungai Klang 42 Chazy Reef 42 Dongfang Electric Corporation 42 panda breeding center 42 Yamba dam 42 Karakuram Highway 42 Vishwamitri 42 Carteret Islands 42 Mongu Kalabo road 42 Gansu Shaanxi 42 Ming Tombs 42 Qian Yunhui 42 Tibetan plateau 42 Koshi River 42 Beichuan county 42 Baglihar 42 Tangshan Hebei province 42 Four AP# reactors 42 Gaoqiao Town 42 Chaobai River 42 Beijiang River 42 Fudai 42 hydropower plants 42 Capanda 42 Jianjiang 42 Thi Vai River 42 Bhakra Dam 42 Jaitapur nuclear 42 Japanese Aggression 42 deepest freshwater 42 Oroville Dam 42 Zhejiang provinces 42 Guangyuan 42 Anhui Province 42 AmerenUE Taum Sauk 42 Bujagali 42 China 42 coffer dam 42 Zhangbei 42 Handan Steel 42 Jiaohe 42 Erhai Lake 42 Xinglong 42 #mln tons [002] 42 Rogun 42 Chen Lei 42 southwestern Yunnan Province 42 Hogenakkal drinking 42 Zhuang Autonomous Region 42 Loharinag Pala 42 Bayon temple 42 mighty Yangtze 42 Wangjialing coal mine 42 Godavari river 42 Brahmaputra rivers 42 Yangtze Yellow 42 Taihu 42 Akosombo dam 42 Guangxi 42 Xigaze 42 Zijiang 42 Huaneng Power International 42 Xe Bang Fai 42 Yan'an Elevated Road 42 China Guodian 42 Thu Thiem Bridge 42 Yangshan Deepwater Port 42 Wushan 42 Marco Polo Bridge 42 Zambezi river 42 Chenab River 42 Qinhuai River 42 Jingbian 42 GLOF 42 Song Giang 42 Dalian Liaoning province 42 Cangnan county 42 Alashankou 42 Hanjiang 42 Belo Monte dam 42 Boeung Kak lake 42 torrential rainfall strained 42 Beijing Bird Nest 42 Kaohsiung Harbor 42 Nyingchi Airport 42 Zambezi basin 42 Koyna dam 42 Yuanmingyuan 42 Kuokuang petrochemical 42 Chashma 42 Albeni Falls Dam 42 Nansha 42 Pesanggrahan River 42 Guodian 42 loosened piers 42 Herbert Hoover Dike 42 Minhang District 42 Modak Sagar 42 Chongming 42 imperial tombs 42 Qian'an 42 northwestern Shaanxi 42 Loetschberg 42 Hoh Xil 42 Narmada valley 42 Balkhash 42 Guri dam 42 Narmada Sagar 42 Tropical Storm Mindulle 42 Xiangfen County 42 Xayaburi Dam 42 Nujiang 42 Fuping 42 Datang Power 42 Ta Trach 42 Wujiang 42 Shimen 42 Lake Lanao 42 Ningbo Port 42 Fargo Moorhead diversion 42 megawatt hydropower 42 cofferdams 42 Kajbar 42 Tumen rivers 42 Chuzhou 42 Xayaburi dam 42 Shaanxi provincial 42 Diamer Bhasha Dam 42 Zhou Lei 42 Tianjin Municipality 42 #.#GW [003] 42 Palapa Ring 42 Suramadu bridge 42 Diamer Bhasha dam 42 Pan Yue 42 hydroelectric generators 42 Redlands Earthen Dam 42 Ninh Thuan 42 Hirakud Dam 42 Polavaram 42 Heilongjiang Provincial 42 Satpara Dam 42 Angat Dam 42 eastern Anhui Province 42 CHINALCO 42 Beijing Shougang 42 Baosteel Group 42 breached levees 42 Neijiang 42 Linfen 42 Khunjerab Pass 42 Hambantota port 42 Plainwell Dam 42 Sichuan Province 42 Yangtze River Basin 41 Yangshan Deep Water 41 Krishnaraja Sagar 41 YICHANG 41 Ukai dam 41 Longyan 41 Meghna rivers 41 Al Sufouh Tram 41 Mithi river 41 Kashiwazaki Kariwa 41 Gawadar port 41 Jialing rivers 41 Hunan province 41 mln kw 41 Kashiwazaki Kariwa Nuclear 41 Shuozhou 41 mountain torrents 41 Guangxi Zhuang 41 Shaoguan 41 Nhieu Loc Thi Nghe 41 mw hydel 41 Tipaimukh Dam 41 greenhouse polluter 41 maglev railway 41 Hydropower 41 Tapi river 41 Tianhe 1A 41 Huai 41 Kurichhu 41 Chishui 41 Chishui River 41 Tsengwen 41 Naqu 41 Puncog 41 Kalu Ganga 41 Padma Bridge 41 Lianzhou 41 Yangtse 41 Khadakwasla dam 41 steelmaker Baosteel 41 Farakka barrage 41 Hongqiao Airport 41 Hambantota harbor 41 MW hydel 41 Buriganga river 41 Xinjiang Uyghur Autonomous Region 41 SYL Canal 41 Dazhai 41 Mahakali River 41 Red Bluff Diversion 41 Polavaram project 41 Tangjiashan lake 41 Yangtse River 41 Cai Qihua 41 Shanhaiguan 41 Burj Dubai tower 41 Dongfang 41 Dayawan 41 Hoan Kiem Lake 41 Pareechu river 41 Chizhou 41 Pascua Lama 41 Kishenganga 41 Lake Balkhash 41 Jiangnan Shipyard 41 MW Kishanganga 41 Jiangyin 41 Taipower 41 Bayuquan 41 Xintai 41 Yuhuan 41 National Hydroelectric Power 41 Ghazi Barotha 41 central Hubei province 41 ESPO pipeline 41 Typhoon Matsa 41 Sanxingdui 41 Chongzuo 41 Pancheshwar 41 Kusaha 41 Tang Fuzhen 41 Jianhe 41 Yueyang 41 Bhakra 41 Baghlihar 41 Moragahakanda 41 greenhouse gas polluter 41 Mekong river 41 Pujiang Town 41 Baogang 41 Tarbela dams 41 Huadian Power International 41 Shanghai Hangzhou maglev 41 Taklimakan desert 41 Ltd SJVNL 41 Hebei 41 Fan Xiao 41 Yuzhou 41 Ambassador Fu Ying 41 China Guodian Corp 41 Huaneng Group 41 Tianjin municipality 41 Shandong Jiangsu Henan Hebei 41 Irtysh 41 Qingshan 41 Tipaimukh 41 northwestern Gansu province 41 Baosteel 41 River Chenab 41 river interlinking 41 Qinghai Lake 41 silt buildup 41 Manchhar Lake 41 auxiliary spillway 41 Bhatsa 41 Sriramsagar 41 Chongqing 41 Tongzhou 41 black necked cranes 41 Guangdong Nuclear 41 Norochcholai 41 Liaohe 41 Tana Beles 41 Hongqiao 41 Ivanpah Solar 41 Angra III 41 Ataabad Lake 41 Pala Maneri 41 Basha dam 41 Dongfang Electric 41 Hydropower Plant 41 Sapta Koshi 41 Baphuon 41 trillion yuan 41 Neelum river 41 southwestern Sichuan Province 41 Nagarjuna Sagar 41 Anhui province 41 Mangla dam 41 Yamba Dam 41 Huawu 41 Maokong Gondola 41 spillway gates 41 bln kwh 41 Wusong 41 Qinghai 41 Nujiang river 41 Baoji 41 Shaoshan 41 Gansu 41 mighty Mekong 41 turbo generators 41 Tianshan Mountains 41 beijing • 41 Desilting 41 Zhoushan 41 Zhanjiang 41 northwestern Xinjiang 41 Kariwa nuclear power 41 Luoding 41 Hexi Corridor 41 Subarnarekha river 41 Omkareshwar dam 41 Yamuna river 40 Mount Taishan 40 Kishanganga river 40 Sutlej Jal Vidyut Nigam 40 Neelum Jhelum hydropower 40 Inner Mongolian Autonomous Region 40 Mekong basin 40 Daya Bay 40 Kotri barrage 40 Kazungula Bridge 40 Jindabyne Dam 40 Garrison Dam 40 Huai'an 40 Hasankeyf 40 polluter 40 betel leaf farming 40 Haixi 40 salinity ingress 40 Hong Kong Zhuhai Macau 40 Miyun 40 river Jhelum 40 Kajaki dam 40 Proffit Mountain 40 neighboring Guangxi 40 Saptakoshi River 40 Lancang 40 Neelam Jhelum 40 central Henan province 40 Horizon oilsands 40 Badaling Expressway 40 Ladia Galaska 40 Hefei Anhui Province 40 Fengxiang county 40 Ramu Nickel 40 Jilin province 40 Yuxi 40 Shenzhou VII 40 Bhasha dam 40 Chalillo 40 Ningxia 40 irrigate farmland 40 Rongjiang river 40 Shanghai Shimao 40 Xiangning 40 Hydel Project 40 Nghi Son 40 Jiangbei 40 Quang Ngai province 40 Zhejiang Anhui 40 Tarbela dam 40 Jiyuan 40 Tamsui River 40 Dul Hasti 40 Minhang district 40 Babhli 40 Ken Betwa 40 Shweli 40 Ganges Brahmaputra 40 Ngari Prefecture 40 Fujian province 40 Gwadar port 40 Liaoning Jilin 40 Cavico Hydropower 40 Manzhouli 40 panda habitat 40 toxic benzene 40 Gilgel Gibe 40 Huaneng Power 40 Inner Mongolia Autonomous 40 Gejiu 40 Shaolin temple 40 Bipole III transmission 40 Baoming 40 Bengbu 40 Qinghai Tibetan Plateau 40 Xinzheng 40 Ngari prefecture 40 watercourse 40 tropical storm Fengshen 40 Badaling section 40 Tanakpur 40 eastern Jiangsu province 40 Zhaotong 40 Upper Kotmale 40 Baglihar dam 40 Kopili 40 Norochcholai coal power 40 Jinmao Tower 40 Wenchuan earthquake 40 Dai Ninh 40 Tibet Autonomous Region TAR 40 Yangtze River delta 40 Wivenhoe dam 40 Hardap Dam 40 Nayachar 40 China Hubei Province 40 Jiaozuo 40 Upper Mattagami 40 Sichuan province 40 Tallowa 40 Gansu Province 40 Taklimakan Desert 40 Baiyangdian 40 Bailong river 40 Parechu 40 Datang Corp 40 Chutian Metropolis Daily 40 Jian'ou 40 Binga Dam 40 Alamatti 40 Thar coal 40 Mirani Dam 40 Ai Weiwei 40 headrace 40 Jiangsu Province 40 Ning'an 40 Dongping 40 Mirani dam 40 Xiangjiang 40 Cahora Bassa 40 Xiling 40 northwestern Shaanxi province 40 Krishnapatnam 40 Laiban Dam 40 Boguchanskaya 40 breached embankments 40 #.HK #.SS 40 Hubei province 40 China Jiangxi Province 40 Baishan 40 megawat 40 Kárahnjúkar 40 Yang Ailun spokeswoman 40 Alviso Slough 40 SASAC 40 tailings dam 40 Chongqing Yunnan 40 Tibet Autonomous Region 40 Guangdong province 40 Xinchang 40 Liu Zhihua 40 Chutak 40 tsunamis recur 40 heavily silted 40 Zhou Chunxiu 40 Yangtze rivers 40 Hebei Province 40 freshwater dolphin 40 dzong 40 Henan Provincial 40 Yongding 40 color coded ducts 40 Hebei Steel 40 Chongquing 40 Zhang Shuguang 40 Srisailam reservoir 40 Yamuna 40 grout curtain 40 Burj Dubai 40 Nayachar island 40 particle collider 40 Zambezi River 40 Cigar Lake 40 costliest extravaganza 40 MWe reactors 40 Palar river 40 Rongsheng 40 Shacheng 40 Rach Mieu Bridge 40 waterlogged dikes 40 Tarim Basin 40 Hebei provinces 40 Tsangpo River 40 Lao Cai province 40 Jingguang 40 Shangluo 40 Kishanganga project 40 neighboring Yunnan province 40 Watercube 40 Qinghai Plateau 40 Koshi barrage 40 Burj Dubai Tower 40 Rushydro 40 Gwadar seaport 40 Indravati 40 Thac Ba 40 #MW hydro [001] 40 Thu Bon 40 3GW 40 Limo Koto Timur 40 Yuexi 40 Giorgio Croci 40 Qinling Mountains 40 southwestern Chongqing Municipality 40 Hydroelectricity 40 canopy walkway 40 Karakorum Highway 40 Lower Subansiri 40 Hunan Hubei 40 NT2 40 central Quang Ngai