unacquainted tourist walking on suspension bridge cross the mountain at tianmen mountain zhangjiajie china.tianmen mountains

abandon architecture asia asian background beautiful blue bridge cable cableway china chinatianmen chinese cliff cloud cross crowd destination environment famous foggy forest handrail hanging high hiking hill historic holiday humidity hunan landmark landscape leisure long modern mountain mountains national natural nature outdoor panorama park people scenery season sky suspenders suspension tianmen tourism tourist tower travel unacquainted vacation valley view walking zhangjiajie