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Фото: РИА Новости
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Quadtrees aren't limited to point data. They can also partition regions of continuous data, like the pixels of an image.
青海化隆回族自治县，过去超六成农民是贫困户，化隆人决心换个活法。他们学习拉面、进城创业，在全国330多个城市、全球16个国家和地区开了2万多家面馆，一年营收上百亿元。
This gives fairly heavy images (2.2GB for this base Fedora Silverblue image), but that’s the price to pay for having a complete, ready-to-use system.