Technology
Ancient bridge unearthed in China
Aug. 7, 2012
A 2,000-year-old wooden bridge found in Shaanxi province, home of the famous Terracotta Army, may have been the world's biggest at that time, scientists say.Remnants of the bridge's piers were unearthed in a suburb of Xi'an, the province's capital, China's state-run Xinhua News Agency reported.The bridge is estimated to have been almost 1,000 feet long and 65 feet wide, Li Yufang, a researcher at