Advection fog occurs in Yantai, E China (1/4)
2012-06-01 09:05 Ecns.cn
Web Editor:Wang Haining
Spectacular advection fog occurs in Yantai City, east China's Shandong Province, May 31, 2012. Advection fog is the result of condensation- moist warm air passes over a cool surface by advection (wind) and is cooled. [CFP Photo]
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