TOPSHOT - A tourist wearing a face mask walks across the Charles Bridge on March 12, 2020 in Prague. - The Czech government imposed a ban on all events with more than 100 people in the EU country of 10.7 million people, closing museums and galleries as well as cinemas and theatres. Czech Health Minister Adam Vojtech also said that foreigners entering the country, including "ordinary tourists", would be tested and may end up in quarantine. (Photo by Michal Cizek / AFP)