大峽谷 (The Grand Canyon) 於1919年2月26日

你有沒有看過大峽谷呢？不管你是真的去過大峽谷，或者只看過照片，你一定沒有看過整個大峽谷。大峽谷總長277英里，深度範圍從4000英尺到6000英尺，而且最寬的地方為8英里。

西元1919年2月26日，國會立法通過在亞利桑納州設立大峽谷國家公園。但是大峽谷是怎麼形成的呢？


Have you seen the Grand Canyon? Whether you have visited the park or seen photographs of it, it is unlikely that you have seen the entire canyon. The Grand Canyon is 277 miles long, ranges from 4,000 to 6,000 feet deep, and is 18 miles across at its widest point.

On February 26, 1919, Congress passed the act that established the Grand Canyon National Park in the state of Arizona. But what created the canyon?

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