Researchers have built a database with over 120,000 images and 10,000 video clips of giant pandas that would allow them to correctly identify individual animals.
A total of 87 people were working underground in the Shaanxi province mine at the time of the accident on Saturday afternoon.
Police say a knife-wielding woman attacked and wounded over a dozen children at the gate of a kindergarten in China's southwestern city of Chongqing, without giving possible motives for the attack.
Another 13 injured as coach barrels into the wall of an expressway tunnel in Shaanxi province, reports say.
The explosion in the town of Xinmin in Shaanxi province destroyed or damaged dozens of nearby buildings, including a hospital.
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