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在这个地球上生活了十几年,你可能还不知道它有多酷吧!看看这些由卫星或直升飞机从空中俯拍的地球图片吧,换一个角度,一切竟如此不同。
If you live on this earth for more than a decade, you may not know how cool it is! Look at the Earth pictures that were emanated from the sky by satellites or helicopters. From a different angle, everything is so different.