We're three days away from the Beijing Winter Olympics. The Olympic Torch relay will start on Wednesday. With Covid countermeasures in place, the route is scheduled to reach 12 areas in Beijing, Yanqing and Zhangjiakou. Twenty-four Olympic-related personnel have tested positive, including 18 new arrivals, and six inside the closed loop. Thirty-two world leaders are expected to attend the opening ceremony.  CGTN's Zheng Yibing reports.