bridge over deep river in remote himalayas india

adventure altitude angle aqua backed basic black boulder bridge calculation cliff connect connectivity construction crisscross dam danger discover emergency engineering environment explore fence fluid forest geological geometry girder green hanging height hexagonal hill himalayas india insurance iron jagged lines liquid meandering metal mighty modern mountain nature network outdoors paint pattern peaks perspective pillar precise precision protection quadrangle railing reflection resource retro river rock shadow shaky sharp span straight suspension teamwork technology travel triangle vacation valley view volcanic walkway water white