An airscape shows Beichuan County in Mianyang City, southwest China's Sichuan Province, May 27, 2008. Mianyang City on May 21 exerted a special control of the county seat of Beichuan, banning people and vehicles from entering the town to avoid any possible landslide and mudslide, and to protect the post-quake scene in the town.

An airscape shows Beichuan County in Mianyang City, southwest China's Sichuan Province, May 27, 2008. Mianyang City on May 21 exerted a special control of the county seat of Beichuan, banning people and vehicles from entering the town to avoid any possible landslide and mudslide, and to protect the post-quake scene in the town.