他说：“到1万5千5百年前的时候，陆地上连接阿拉斯加和美洲大陆的无冰通道封闭了，这两片冰层已经相接。”

By 15,500 years ago, the ice-free corridor, that land corridor connecting Alaska with the mainland of the United States, was closed. The two ice sheets had merged.

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光伏也是一个可扩展的技术，这意味着它可以被部署在屋顶，或是可用土地上连接到输配电网上，莫维兰说。

"PV is also a scalable technology, which means that it can be deployed at someone's roof connected to a distribution grid or on available land connected to transmission lines," said Movellan.

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据报道，这个“特大城市”由3.6亿只工蚁和100万名蚁后组成，他们居住在4500个相互连接的巢穴中，这些巢穴分布在2.7平方公里的土地上。

This 'megalopolis' was reported to be composed of 360 million workers and a million queens living in 4,500 interconnected nests across a territory of 2.7 square kilometres.

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