A gorge is a narrow, steep-walled canyon. And the deepest gorge in North America is in Idaho. Do you know about it?
A gorge is a narrow, steep-walled canyon. And the deepest gorge in North America is in Idaho. Do you know about it?
峡谷是指狭窄及两边陡峭的山谷。而爱达荷境内有北美洲最深的峡谷，您知道这个峡谷吗？