China's state-run news agency Xinhua reports that construction concluded today as had been scheduled.

The facilities are part of the Zhangjiakou cluster.

An elevated pedestrian walkway, christened the "Ice Jade Ring" by Beijing 2022, connects the two and the National Ski Jumping Centre.

Competitions are due to be staged in three main clusters come 2022 - Beijing itself, Yanqing and Zhangjiakou.

Beijing 2022 says all venues will be completed by the end of the year.

There will be 11 biathlon gold medals up for grabs at the Beijing 2022 Olympics, as well 12 cross-country skiing titles.

The International Biathlon Union and and Chinese Biathlon Association recently signed a Memorandum of Understanding ahead of the Games, which covers topics such as the promotion of the sport in China.

Biathlon legends Ole Einar Bjørndalen and Darya Domracheva were appointed to coach China's national teams last year, with Norwegian Bjørndalen having won a record 13 Olympic biathlon medals.

Domracheva, who competed for Belarus, is a six-time Winter Olympic medallist.

Beijing 2022 is due to begin on February 4 in 2022 - less than sixth months after the Tokyo 2020 Closing Ceremony.

China's treatment of Uyghur Muslims has been under fresh scrutiny of late, with the World Uyghur Congress saying there is "verifiable evidence of genocide and crimes against humanity taking place".

This, along with a controversial new security law in Hong Kong and worsening relations between China and other powers - chief among them the United States - has led to some calls for China to be stripped of hosting rights or nations to boycott the Olympics, with these calls threatening to overshadow the build-up to the Games.