Tourists and local residents enjoy their meals during a banquet on a 2,000-meter-long ancient street in Datong ancient town in Chishui city, Southwest China's Guizhou province, Feb 8, 2015. More than 3000 tourists and local residents attended the "long street banquet," a time-honored culinary tradition prevailing among several ethnic groups. The town was an important commercial center in ancient China. [Photo/China News Service]