习近平总书记深刻指出，“组织东部地区支援西部地区，而且大规模长时间开展这项工作，在世界上只有我们党和国家能够做到，这就是我们的政治优势和制度优势。”
But there are concerns about the large amounts of water and electricity needed to run them, including from gas-powered generators.
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Why are measles cases rising in the UK?