How Was the Grand Canyon Formed?

Smithsonian Channel
Smithsonian Channel
659.2 هزار بار بازدید - 8 سال پیش - In the 19th century, many
In the 19th century, many people believed that landscapes like the Grand Canyon were shaped by volcanoes and earthquakes. But one American geologist named John Newberry had different ideas.

From: AERIAL AMERICA: Natural Wonders
http://bit.ly/1TgPbSx
8 سال پیش در تاریخ 1395/02/09 منتشر شده است.
659,224 بـار بازدید شده
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