H. G. Wells anticipated the shape of things to come with his fascinating adventure, First Men in the Moon. The easiest way to go underground is to use these geological structures that are already there. They're called lava tubes and they could feasibly be sealed to create a breathable atmosphere inside.
The visit of Xi Jinping, China’s president, to Moscow may seem like the solidifying of a simple, anti-Western alliance. But China is walking a delicate line to look after its own interests. A growing minority of young people simply do not want to drive; that will have consequences far beyond roadways. And research on colonising the Moon goes underground.
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