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Need a Vacation? This may be as relaxing as it gets. Various shades of blue come to life in this view of Pukaki, a glacial lake in New Zealand. The alpine lake, which sits alongside Lakes Tekapo and Ohau, was carved out long ago by glaciers. Its striking blue color comes from the finely ground rock particles — called glacial flour — from the glaciers that now feed it. （Editor：LiQian、Ye Xin） |
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