土卫六的大气层使它成为太阳系中和地球最为相像的星体之一，至于土卫二，科学家则希望能更多的了解它的构造活动。
Titan's atmosphere makes it one of the most Earth-like bodies in our solar system, and scientists are hoping to learn more about Encaledus' tectonic activity.
在秘鲁，远古巨大的人工地貌被发现，远古的人用土和石头构造成类似野兽的地貌形状。
And in Peru vast ancient "geoglyphs" have been seen, land art in the form of animal shapes created when people moved earth and stones about.
那里的建筑，通常是由泥巴或土砖垒起来的差的构造，根本抵挡不了雨季。
When there are buildings, they're usually poor structures of mud or adobe that don't survive the rainy season.
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