…some stars and planets in scale – Google Video via digg


The Skywalk will jut out 70 feet (21 meters) from the canyon rim, allowing tourists to go for a stroll with nothing between their feet and the Colorado River―4,000 feet (1,220 meters) below―except for four inches (ten centimeters) of glass.
Grand Canyon’s Glass Walkway to Open Next March – NATIONAL GEOGRAPHIC NEWS via digg