Haunting photos show the deserted streets of Xi'an, a city of 13 million that's been under strict lockdown for a week

The city of Xi'an in China's Shaanxi province entered its seventh day of lockdown on Wednesday, as the government imposed some of the country's strictest pandemic curbs since the initial COVID-19 outbreak in Wuhan. With the Beijing 2022 Winter Olympics just weeks away, China has doubled down on its COVID-zero policy of shutting down entire cities to snuff out even a single coronavirus case.Xi'an,