从某种程度上说，冒点险也许是进化中不可缺少的，否则，青少年们会终生在地下室里听那些野小子们今天称作音乐的各种噪音。
To some extent, risk taking may be an evolutionary necessity; otherwise, the teenager would spend his whole life in the basement listening to whatever noise those crazy kids call music these days.
但是最戏剧性的变化发生在地下，生长在地下的竹根长得很壮。
But the most dramatic growth is underground, where the roots grow very strong.
问：对于大概在此地的一些地下城，有来自派尤特族（美国西南部派尤特族印第安人）的美洲土著传说，也有一位医生在1940年的报告。
Question to Metatron: There are Native American stories from the Paiute Tribe and a report from a physician in the 1940's of underground cities in this general area.
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