Astronomers with the Chinese Academy of Sciences Purple Mountain Observatory test their astronomical telescope in the Shangfangshan Forest Park in Suzhou, east China's Jiangsu Province, on July 20, 2009. [Xinhua]

The photo taken on July 20, 2009 shows the solar eclipse observation instruments being put in place by astronomers with the Chinese Academy of Sciences Purple Mountain Observatory in the Shangfangshan Forest Park in Suzhou, east China's Jiangsu Province. [Xinhua]