A sign that reads: “Shandong Highway Corp. invests to operate Shandong Highway Jiaozhou Bay Bridge” is seen at Qingdao Jiaozhou Bay Bridge in Qingdao, Shandong province June 27, 2011. The world’s longest sea bridge spanning Jiaozhou Bay of Qingdao City, Shandong Province, opened on Thursday, June 30, 2011. The bridge is 42 km (26 miles) long, Xinhua News Agency reported. Picture taken June 27, 2011. REUTERS/China Daily