The Grand Canyon is a much sought after tourist place, and one of the greatest natural wonders in the world. But few people know how high the place is.
There is a glass bridge that has been built, and it allows the viewers to walk over that and enjoy the experience of the canyon. Glass Bridge is suspended 4,000 feet above the Colorado River on the very edge of the Grand Canyon .
The pictures cover the glass bridge from all angles and one can see how intimidating the height is.
On May 2005, the final test was conducted and the structure passed engineering requirements by 400 percent, enabling it to withstand the weight of 71 fully loaded Boeing 747 airplanes (more that 71 million pounds).
The bridge is able to sustain winds in excess of 100 miles per hour from 8 different directions, as well as an 8.0 magnitude earthquake within 50 miles. More than one million pounds of steel went into the construction of the Grand Canyon SkyWalk.
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