Related by context. Frequent words. (Click for all words.) 63 razor wire fences 59 razor wire fence 59 perimeter fence 56 razor wire topped 55 perimeter fencing 54 watchtowers 53 razor wire 52 barbed wire fences 51 fences 50 barbed wire 50 barbed wire fence 50 concertina wire 50 metal railings 49 earthen berms 49 barbed wire fencing 49 palisade 48 barb wire 47 watchtower 47 ventilation ducts 47 earth bund 47 fencing 47 electrified fence 47 walls 46 wire mesh 46 wrought iron gate 46 fences trenches 46 fence 45 perimeters 45 Naval Base Kitsap Bangor 45 outer perimeter 45 gatehouse 45 wooden huts 45 Concrete barriers 45 tunnels dug 45 chainlink fence 45 Pul e Charkhi 44 fenced 44 Demilitarised Zone 44 spiral staircase 44 railings 44 fortifications 44 metal grates 44 steep canyon 44 wrought iron fence 43 guardhouse 43 stockade 43 unfenced 43 fenced enclosure 43 #sqm [003] 43 heavily fortified 43 cellblocks 43 #ft #m [002] 43 corrugated metal 43 ventilation shafts 43 disused railway 43 concrete slabs 43 underground bunkers 43 Helicopters hovered 42 dirt mounds 42 Barbed wire 42 battlements 42 Sarposa prison 42 motion detectors 42 entrances 42 sally port 42 rope ladders 42 barren hills 42 mezzanines 42 spiral staircases 42 reinforced concrete 42 8ft 42 earthen berm 42 demilitarized zone DMZ 42 demilitarized zone separating 42 staircase 42 dense undergrowth 42 enclosed courtyard 42 hilltop 42 terraced 42 boulder strewn 42 thick undergrowth 42 baggage carousels 42 cinder block walls 42 wooden walkway 41 Scafell Pike 41 parapet wall 41 thick jungles 41 vestibules 41 iron railings 41 stiles 41 plateau overlooking 41 tunnelled 41 Chang'an Avenue 41 wooden shutters 41 emplacements 41 Rimutaka 41 barbwire 41 sandstone cliffs 41 craggy mountains 41 landscaped courtyard 41 Paremoremo