Related by context. Frequent words. (Click for all words.) 61 barbed wire fences 60 razor wire 56 barbed wire fence 55 barbed wire 51 fences 49 watchtowers 49 concertina wire 47 fence 47 perimeter fence 45 walls 44 cliffs 44 Melilla 43 barricades 43 mountain ridges 42 steep cliffs 42 barricade 41 concrete barriers 41 fortresses 41 fortifications 41 hilltops 40 heavily fortified 40 checkpoints 40 crags 40 metal barricades 40 heavily guarded 40 battlements 40 gates 39 hilltop 39 ladders 39 underground bunkers 39 jails 39 wire mesh 39 perimeters 39 prisons 39 stockade 39 underground tunnels 39 tunnels 38 concrete slabs 38 boulders 38 wrought iron fence 38 mountainsides 38 crevasses 38 perimeter fencing 37 separation barrier 37 ledge 37 escapees 37 cordons 37 cinder block 37 brick walls 37 trellises 37 berms 37 inmates 37 cinderblocks 37 staircases 36 mountains 36 stairways 36 boxcars 36 cages 36 illegal migrants 36 fortress 36 walled 36 watchtower 36 heavily armed 36 prisoners 36 trellis 36 rickety boats 36 detainees 36 balconies 36 cliffside 36 manned checkpoints 36 refugee camps 36 fenced 36 Detainees 35 corrugated metal 35 entrances 35 ramparts 35 hillsides 35 trestles 35 mine shafts 35 hills 35 ravines 35 fencing 35 Mount Everest 35 mountain 35 Nahr el Bared camp 35 border 35 sub Saharan Africans 35 bunks 35 porous borders 35 ropes 35 roadblocks 35 bulletproof glass 35 canyon walls 35 chutes 35 riot shields 35 Jails 35 Prison 35 railings 34 dense jungle 34 archways 34 cellblock