I personally climb bridges (in fact suspensions just like this) and other structures for photography now and then, and i would never do what they did without a harness and safety system preventing me, or any of my gear, from falling. Unfortunately not everyone is safe about it,
things from his post: > A slip of the foot could result in certain death. But We rolled the dice – flipped the coin. > Needing to get above the streetlights and not having time for fall protection I reminded myself to fall to the left should I slip. > https://farm6.static.flickr.com/5209/5315871803_95f74f1027_b...
Scream "this is some young kid who probably should not be doing this". Safety should always be the most important thing when doing anything like that.