Photo taken on April 2, 2013 shows the construction site of the Yiwu section of the Hangzhou-Changsha High-speed Rail on the Dongte Bridge in Yiwu, east China's Zhejiang Province. The 920-kilometer-long Hangzhou-Changsha High-speed Rail would shorten the travelling time between east China's Hangzhou and central China's Changsha from 6.3 hours to 3 hours once completed. (Xinhua/Tan Jin)