I am not normally a fan of Chicken Noodle News (CNN), but they have an interesting report detailing the damage in Beichuan resulting from the impact of the rockslide. It is worth a view. I cannot find a way to link to the original report, but there is a good quality version of it here.

AP image captioned: Rescue workers search collapsed buildings in Beichuan, China’s southwest Sichuan province, Sunday May 18, 2008.