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美国国家公园,火来了让火去烧,不去救火;水来了让水去流,不去抗 洪。对水和火等自然现象不加人为干预,是美国国家公园重要的管理举措。
American National Park, fire to fire to burn, not to save the fire; water to the water to flow, not to flood. It is an important management measure for U.S. National Parks that it does not interfere with the natural phenomena such as water and fire.