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, July 15, 2009. (Xinhua/Wang Chaoying)

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 & 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)

Local citizens watch 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 & Technology Museum, in Shanghai, east China, July 11, 2009. 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)

Chen Yinghua (R) shows her embroidery "Total Solar Eclipse" in Suzhou City of east China's Jiangsu Province, July 7, 2009. Recently finished by embroidery master Chen Yinghua after a total of 120 days' work, the embroidery "Total Solar Eclipse" will be displayed on an academic meeting on solar coronal dynamics hosted by the International Astronomical Union in Suzhou. (Xinhua/Zhu Guigen)

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