A scientific expedition team undertakes a scientific expedition in the Altun Mountains National Nature Reserve, northwest China's Xinjiang Uygur Autonomous Region. The scientists will monitor how wild animals overwinter. This nature reserve covers 45,000 square kilometers of the Altun Mountains and is home to many wild lives including wild yaks and Tibetan antelopes. Follow us to find out how dangerous the scientific research is, and what the scenery looks like.