People watch the newly-installed equatorial sundial, measuring 1.5 meters in diameters, donated by the National Observatory to mark the spot for observation of the forthcoming 2009 total solar eclipse on the Yangtze Valley, believed to be the longest one visible in the century that is to betide on July 22, in Haining, east China's Zhejiang Province, on July 15, 2009. [Xinhua]

Photo taken on July 11, 2009 shows the sketch maps illustrating the whole process of the full solar eclipse during a popular science exhibition on the introduction to the forthcoming 2009 Full Solar Eclipse at the Shanghai Science and Technology Museum in Shanghai, east China. The upcoming full solar eclipse, predicted to betide on July 22 and believed to be the longest of its kind in 500 years, will be visible in most parts of the Shanghai municipality. [Xinhua]