A joint Sino-French cave exploration team has discovered a rare "cave cloud" a special kind of natural mineral deposit within a cave in south China s Guangxi Zhuang Autonomous Region, according to the Institute of Karst Geology of China Geological Survey.
SHIJIAZHUANG, March 31 (Xinhua) Chen Lixin, a digital intelligence innovation manager with China Mobile, has worked in Xiongan for over three years, witnessi