Beijing Olympics organizers create fortress to limit Covid-19 spread

CNN's David Culver looks at the strict measures being carried out to keep the arrivals for Beijing's 2022 Winter Olympics separate from the general population.

source https://www.cnn.com/videos/world/2022/01/20/beijing-fortress-closed-loop-system-covid-measures-olympics-culver-dnt-lead-intl-vpx.cnn