Children simulate to view solar eclipse with goggles as a preparation for the coming one on July 22, in north China's Tianjin, July 19, 2009. A total solar eclipse will be seen on July 22 in the area along the Yangtze River in central China, while a partial solar eclipse could be seen in Beijing, capital of China, and Tianjin. (Xinhua/Li Xiang)

Children simulate to view solar eclipse with goggles as a preparation for the coming one on July 22, in north China's Tianjin, July 19, 2009.(Xinhua/Li Xiang)

A girl reads a book on astronomy to prepare for the coming solar eclipse on July 22, in a book store in Taizhou, east China's Jiangsu Province, July 19, 2009. A total solar eclipse will be seen on July 22 in the area along the Yangtze River in central China, while a partial solar eclipse could be seen in Beijing, capital of China, and Tianjin. (Xinhua/Gu Jun)