우리나라 같으면 자연 훼손이라고 건설을 할수 있었을까 ?
top of tyrol, tyrol, austria
grand canyon skywalk, arizona, u.s.a.
the landscape promontory , ticino, switzerland
il binocolo, meran, italy
aurland lookout, aurland, norway
dachstein skywalk, dachstein glacier, austria
