Briefly

Four die in Zhengzhou residential building fire

A fire in a residential building left four people dead early Sunday morning in Zhengzhou, Henan province, local authorities said. The city's fire rescue department said firefighters arrived at the scene at 3:12 am, six minutes after receiving an emergency call. The fire burned an area of about 90 square meters and its cause is under investigation.

Team studies climate change in Xizang lake

Researchers in a multinational team working in Southwest China's Xizang autonomous region have been drilling cores in the bed of Nam Co, the world's highest saltwater lake, this month to gain data on climate and environmental changes on the Qinghai-Tibet Plateau over the past million years. The joint scientific expedition team comprises lake and environmental change researchers from the Chinese Academy of Sciences' Institute of Tibetan Plateau Research and scientists and drilling technicians from countries including Germany, Switzerland, the United Kingdom and the United States. Nam Co, with a lake-surface elevation of 4,718 meters, is the second-largest lake in Xizang.

Xinhua