© istockphoto|Zhangjiajie Grand Canoyn’s Bridge, Hunan (Cina)

© istockphoto|Ponte sospeso Charles Kuonen, Canton Vallese (Svizzera)

© istockphoto|Ponte sospeso Geierlay, valle di Hunsrück (Germania)

© istockphoto|Cliff Walk Titlis, Alpi Bernesi (Svizzera)

© istockphoto|The Capilano Suspension Bridge, Vancouver (Canada)

© istockphoto|Peak Walk, Alpi Vodesi (Svizzera)

© istockphoto|Ponte sospeso Edmund Hillary, (Nepal)

© istockphoto|Carrick-a-rede, Ballintoy (Irlanda del Nord)

© istockphoto|Monteverde Cloud Forest (Costa Rica)

© web|Ponte della Luna a Sasso di Castalda