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National Geographic·· 20 d agoFeaturedRecommendation81.84

Tourist Trash Has Done Weird Things to Yellowstone's Pools

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黄石公园每年从温泉和间歇泉中清出数万件垃圾,这些垃圾会堵塞地下管道、改变水化学并影响微生物群落。牵牛花池因长期投入硬币和杂物而失去原本的蓝色,公园工作人员正用特制工具清理以保护这些地质与微生物资源。

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Source:National Geographic · nationalgeographic.com