The people of the world saw their planet as the astronauts saw it - fragile and beautiful, shining in the desolation of space.
Ian YoungsCulture reporter
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黔西市新仁苗族乡化屋村掩映在青山绿水间，白墙黛瓦的民居依山而建，农家乐里挂起的红灯笼透着浓厚年味，令游客们流连忘返。
习题链接：LeetCode 901. 股票价格跨度