In this January 13, 2022 photo released by Xinhua News Agency, a woman and a child perform exercise on a rooftop at a residential area in Xi'an in northwestern China's Shaanxi Province. The Chinese city of Xi'an has gradually begun lifting restrictions after over three weeks of lockdown as authorities sought to stamp out a local outbreak before the Beijing Winter Olympic Games are due to start. (Photo by Tao Ming/Xinhua via AP Photo)
