A glass walkway built at Grand Canyon is set to open next march. 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. When it's in place, the Skywalk will be anchored to giant poles drilled 40 feet (12 meters) into the canyon wall. Only 120 people will be allowed on the walkway at a time.Link & Image: National Geographic
Tags: Skywalk | Grand Canyon
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