Beijing's construction regulatory body released overall plans and deadlines of all venues related to the Beijing 2022 Winter Olympics on Thursday, laying the foundation for Olympic projects to advance.

Although all winter sports action has ceased in Beijing, a construction site in the city's northern Olympic Park is bustling with workers and machines building the National Speed Skating Oval, a new permanent venue among 52 construction projects needed in Beijing's downtown and northwest Yanqing district for hosting the 2022 Winter Olympics.

Sixteen of the 52 projects, including three new competition venues－the oval and the national Alpine skiing and sliding centers－h(huán)ave begun construction in the Beijing's downtown and Yanqing, according to the plans released by Beijing Major Projects Construction Headquarters Office.

The Beijing 2022 Winter Olympics will use 26 competition and noncompetition venues in Beijing's downtown, Yanqing and co-host city Zhangjiakou, in Hebei province, supported by infrastructure such as logistics and transportation.