appearance bare barren bunker concrete defence defend defending emplacement gun gun-emplacement gun-platform heritage historic history military pillbox secure security solid structure weapon weaponry weapons clouds communications equipment dark darkening height high lighting tower lights platforms safety rails sports arena spot lights steel steel structure steps stormy stormy skies tower towering attention beware bilingual black danger directions english forbidden german isolated Multilingual passing pictogram plate platform rail railway sign station track train trains transport transportation warning yellow arrangements basic church church-building decorated decorations doors flowers group inside interior man pews piano pulpit rehearsal seating seats simple singing song songs table windows women wood wooden Asia Asians chinese commuters commuting locals mass rapid transit movement moving MRT on the move passengers people seated Singapore standing tourists transit travel travellers waiting bank beams cold deciduous England fisherman fishing freeze frozen Great Britain ice icy January Jetty lake lakeside nature pond reeds shore Sussex trees water winter woodland city coast coastline crane cranes crude derrick dock drill drilling dundee extract legs maintenance north ocean oil port production pump refit repair rig sea shoreline undersea background carpenter concrete material concrete pattern concrete surface concrete texture construction metal nails nails nails on floor nails on slab scaffolding shadow wood deck wood grain wooden deck