A police van parks on the empty Champs-Elysees avenue Tuesday, March 17, 2020 in Paris. French President Emmanuel Macron announced strong restrictions on freedom of movement in a bid to counter the new coronavirus, as the European Union closed its external borders to foreign travelers. For most people, the new coronavirus causes only mild or moderate symptoms. For some it can cause more severe illness. (AP Photo/Christophe Ena), APTOPIX