The Grand Canyon is unbelievably big! It measures 277 river miles (446km) long, up to 18 miles (29km) wide, and a mile (1.6km) deep. Have any of you ever been there?
Grand Canyon Pictures
The Grand Canyon is unbelievably big! It measures 277 river miles (446km) long, up to 18 miles (29km) wide, and a mile (1.6km) deep. Have any of you ever been there?
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