Photo: Telegraph UK

In Mianzhu, not far from the center of the quake officials believe over 18,000 people are buried in one city.

Rescue efforts are being stalled by rain throughout the region, which is expected for the next few days. China says it would welcome international help, but even their own people are having trouble getting to the affected regions. John Hockenberry and Adaora Udoji talk with observer Laura Colbert about the latest. She is a former reporter for New Hampshire Public Radio. She is currently in Chengdu

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