[img]http://d.yimg.com/a/p/ap/20100414/capt.3c057ada68cd47db8d6ddc14059fdafc-3c057ada68cd47db8d6ddc14059fdafc-0.jpg?x=130&y=110&q=85&sig=Z_RAqZnRNC.pMT_6mAGL1w--[/img]AP - China poured rescue crews and equipment into a mountainous Tibetan region Thursday in a bid to find survivors more than a day after strong earthquakes killed more than 600 people and injured thousands.