[Photo/Xinhua] NANNING -- When a Xinhua reporter first met Yu Qigui a decade ago, the village primary school teacher was seen trudging a muddy mountain path carrying ... Longsheng county, South ...

Despite her young age, Xu Zhuoyuan has already climbed five mountains over 5,000 meters in China. When she was 12 years old, she made a bold statement on Hunan TV saying, "I will climb Qomolangma." ...

State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China, and Graduate School, Chinese Academy of Sciences, Beijing 100049 ...