The bridge was about a 10 minute walk through jungle - like landscapes on the very edge of the mountain. (southamericatravelblog.com)
Ya they get 100 times more terrifying when you are on a bus and your bus driver is taking curves on edges of mountains like they're Nascar drivers! (upbeatsoles.com)
(Think of the outside edge of a mountain bike tire.) (geekwrapped.com)