Two policemen stand guard at Qingdao Olympic Sailing Center in Qingdao, east China's Shandong Province, on August 14, 2007. The organizing committee of Qingdao International Regatta 2007 offers a quite well security service to ensure the match going on smoothly.

A team of powerboats gets ready to patrol at Qingdao Olympic Sailing Center in Qingdao, east China's Shandong Province, on August 14, 2007.

A crew of armed policemen takes breakfast at Qingdao Olympic Sailing Center in Qingdao, east China's Shandong Province, on August 14, 2007.

A team of policemen patrols at Qingdao Olympic Sailing Center in Qingdao, east China's Shandong Province, on August 14, 2007.

A Policewoman patrols by bike at Qingdao Olympic Sailing Center in Qingdao, east China's Shandong Province, on August 14, 2007.

(Xinhua News Agency August 15, 2007)