Hong Kong tourists prepare to check in at Liuting International Airport in Qingdao, east China's Shandong Province, Feb. 6, 2011. Nine uninjured or slightly injured persons of a Hong Kong tourism group departed from the airport Sunday afternoon to return to Hong Kong. A vehicle with a Hong Kong tourism group on board toppled on Jinan-Qingdao expressway at about 3:00 p.m. Saturday, causing 15 people injured. [Xinhua/Ma Jiandong]