次に

How Was the Grand Canyon Formed?

232 ビュー· 03/12/22
sparctv
sparctv
1 加入者
1

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

もっと見せる

 0 コメント sort   並び替え


次に