Professionals and materials are airdropped for operations to blow a barrier lake at Tangjiashan, Beichuan County, which was formed by landslides after the May 12 earthquake and now blocks the river Jianhe.
Professionals and materials are airdropped for operations to blow a barrier lake at Tangjiashan, Beichuan County, which was formed by landslides after the May 12 earthquake and now blocks the river Jianhe.