the Grand Canyon Skywalk is a large, semicircular bridge with a transparent glass floor, allowing tourists to walk out 70 feet from the canyon rim and view the bottom from 4,000 feet above.

Grand Canyon Skywalk is a unique attraction in Grand Canyon West. It's a 10-foot-wide, horseshoe-shaped glass bridge that extends 70 feet over the canyon rim. This gives visitors a clear view ...

Glass bridges are popular at high-up tourist destinations, like the Grand Canyon in the US ... amount of trust in the people who built the bridge. So yeah, cracks have shown on the U-shaped ...