Photo taken on Feb. 11, 2009 shows the fog-wrapped buildings in Yantai City, east China’s Shandong Province. An advection fog hit Yantai on Wednesday. 　　

 　　 Photo taken on Feb. 11, 2009 shows the fog-wrapped buildings in Yantai City, east China’s Shandong Province. An advection fog hit Yantai on Wednesday. 　　

 　　 Photo taken on Feb. 11, 2009 shows the fog-wrapped buildings in Yantai City, east China’s Shandong Province. An advection fog hit Yantai on Wednesday. 　　

 　　 Photo taken on Feb. 11, 2009 shows the fog-wrapped buildings in Yantai City, east China’s Shandong Province. An advection fog hit Yantai on Wednesday. www.　　

 　　 Photo taken on Feb. 11, 2009 shows the fog-wrapped buildings in Yantai City, east China’s Shandong Province. An advection fog hit Yantai on Wednesday.