Holiday-makers show their certificates for individual visits to Taiwan before departure in Fuzhou, East China's Fujian province, July 29, 2011. A total of 385 tourists, who are only allowed to visit the islands as part of package tours, started their tour on Friday. More than 160,000 Fujian residents have visited Taiwan since June 28 when a pilot travel program was launched to allow mainland travelers to visit Taiwan individually. [Photo/Xinhua]

Workers prepare to blow up a rock that fell down during a slide the earlier week in Songpan county, Southwest China's Sichuan province, July 29, 2011. A 50-meter tailings dam, a wall built to hold the ore residue at a electrolytic manganese plant, was partly destroyed by a mudslide after heavy rain on July 21. It led to contamination of the Fujiang River, the main source of drinking water more than 200,000 people rely on in Mianyang, Sichuan province. [Photo/Agencies]