Policemen check citizens for permit of movement during curfew in Greece

Aerial photo taken on Nov. 13, 2020 shows empty streets in Thessaloniki, Greece. A nationwide night curfew has been imposed in the country from 9 p.m. to 5 a.m. starting on Nov. 13. Greece entered its second full COVID-19 lockdown on Nov. 7. (Photo by Dimitris Tosidis/Xinhua)