他们在中亚的土库曼斯坦的沙漠边缘发现了这个遗址，那里有一系列的山丘从平原上隆起。
They found this site at the edge of a desert in Turkmenistan, in central Asia, where a series of mounds rise up from the plains.
很明显的是在这些平原的边缘附近，灼热的岩浆会在地表“雕刻”出泪珠状岛屿。
The scorching-hot lava also carved teardrop-shaped islands into the surface, which are visible near the edges of these plains.
北京地处华北平原北部的边缘，背山面海，地势险要，古称神京。
Lying on the northern edge of the north China Plain behind mountains and facing the sea in front. Beijing has a strategic geographical location and it was called ShenJing in ancient times.
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