大旱, 云南省, 中国 - Drought, Yunnan Province, China
水资源浪费, 拉斯维加斯, 美国 - Water waste, Las Vegas, USA
Showing posts with label 资源. Show all posts
Showing posts with label 资源. Show all posts
Sunday, April 4, 2010
缺水与费水 - Water Shortage and Water Waste
大旱, 云南省, 中国 - Drought, Yunnan Province, China
水资源浪费, 拉斯维加斯, 美国 - Water waste, Las Vegas, USA
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