Thursday, April 16, 2009

Grand Canyon, Arizona 亞利桑那州 大峽谷


Grand Canyon, Arizona 亞利桑那州 大峽谷
videos were taken on August 06, 2006
The canyon is 277 miles (446 km) long, ranges in width from 4 to 18 miles (6.4 to 29 km) and attains a depth of over a mile (1.83 km) (6000 feet)

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