Participants run on snow-covered high-altitude mountains during a marathon held on snowfields in Genhe city of Inner Mongolia. As China’s pole of cold, Genhe is located at the latitude of 50 to 52 degrees north, west of the Greater Hinggan Mountains. It is adjacent to Mohe county (52-53 degrees in north latitude) in Heilongjiang province, where has been crowned with the title of “China’s north pole”. Photo:China News Service

Participants run on snow-covered high-altitude mountains during a marathon held on snowfields in Genhe city of Inner Mongolia. As China’s pole of cold, Genhe is located at the latitude of 50 to 52 degrees north, west of the Greater Hinggan Mountains. It is adjacent to Mohe county (52-53 degrees in north latitude) in Heilongjiang province, where has been crowned with the title of “China’s north pole”. Photo:China News Service

Participants run on snow-covered high-altitude mountains during a marathon held on snowfields in Genhe city of Inner Mongolia. As China’s pole of cold, Genhe is located at the latitude of 50 to 52 degrees north, west of the Greater Hinggan Mountains. It is adjacent to Mohe county (52-53 degrees in north latitude) in Heilongjiang province, where has been crowned with the title of “China’s north pole”. Photo:China News Service

Participants run on snow-covered high-altitude mountains during a marathon held on snowfields in Genhe city of Inner Mongolia. As China’s pole of cold, Genhe is located at the latitude of 50 to 52 degrees north, west of the Greater Hinggan Mountains. It is adjacent to Mohe county (52-53 degrees in north latitude) in Heilongjiang province, where has been crowned with the title of “China’s north pole”. Photo:China News Service

Participants run on snow-covered high-altitude mountains during a marathon held on snowfields in Genhe city of Inner Mongolia. As China’s pole of cold, Genhe is located at the latitude of 50 to 52 degrees north, west of the Greater Hinggan Mountains. It is adjacent to Mohe county (52-53 degrees in north latitude) in Heilongjiang province, where has been crowned with the title of “China’s north pole”. Photo:China News Service