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.

• 专业人员和物资已经被空投，以便为爆破北川县的唐家山堰塞湖做准备。该湖由于2008年5月12日地震后引起的山体塌方而形成，现在它阻塞了涧河。