angles arm danger dangerous electricity elevated elevation equipment external height heights high hydraulics lifting machinery on-high perspectives power power-lines power-pole raised raising repair-crew replace replacement replacing risks risky safety service trucks up-high vehicles work workman workmen above-ground architectural architecture futuristic Gardens-by-the-Bay iconic icons landmarks panoramic panoramic-vistas reinforced-concrete scenic Singapore skyline steel strong Super-trees Supertree-Grove suspended tree-tops trees vertical-gardens views vistas angry attacker bully burglar closeup crime criminal crook culprit darkness face frightening frown frowning fugitive handsome hiding homeless intimidating lurker lurking male man murderer portrait rogue scary shadows sinister sneering stranger threatening thug unshaven villain visage wanted whiskers worried blue break broken cold crack fissure fracture glacier ice melt melting nature norway sign warning arms defense fire weapon gun military weapon arachnid bright claws garden grass green scorpion summer venomous wild alive amazing animal animals aquarium aquariums background beautiful biology blue background creature creatures fish fishmonk jelly jelly fish jellyfish live living ocean oceans poison poisonous pretty sea soft swim swimming tentacle tentacles translucent transparent under sea undersea white advice alert appropriate-behavior appropriate-behaviour care communication concern dangers deep deep-water denied depth direction don’t-alight flowers foliage not-allowed not-permitted permission-denied plants prohibited prohibition risk river riverside signs water wet ba1969 burn fire hot mark red rubber stamp word cards fortune teller future luck magic pack past present tarot