Thursday, May 17, 2007
Grand Canyon - USA
Grand Canyon - A gorge of the Colorado River in northwest Arizona. It is up to 1.6 km (1 mi) deep, from 6.4 to 29 km (4 to 18 mi) wide, and more than 321.8 km (200 mi) long.
Monday, May 7, 2007
Saturday, March 17, 2007
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