aircraft parked at the Vaclav Havel Airport Prague, Travel Service, Sunwing Airlines

aircraft parked at the Vaclav Havel Airport Prague, Travel Service, Sunwing Airlines

Aircraft parked at the Vaclav Havel Airport Prague, Czech Republic, on March 29, 2020. Prague airport operations have fallen significantly due to the current coronavirus crisis. Czechs are banned from traveling to high-risk countries, while foreigners are not allowed to enter the Czech territory. Most carriers have reduced or canceled their scheduled services as a result of the rapid decline in demand caused by the spread of COVID-19. (CTK Photo/Ondrej Deml)

aircraft parked at the Vaclav Havel Airport Prague, Sunwing Airlines

aircraft parked at the Vaclav Havel Airport Prague, Sunwing Airlines

Aircraft parked at the Vaclav Havel Airport Prague, Czech Republic, on March 29, 2020. Prague airport operations have fallen significantly due to the current coronavirus crisis. Czechs are banned from traveling to high-risk countries, while foreigners are not allowed to enter the Czech territory. Most carriers have reduced or canceled their scheduled services as a result of the rapid decline in demand caused by the spread of COVID-19. (CTK Photo/Ondrej Deml)

aircraft parked at the Vaclav Havel Airport Prague, Travel Service, Sunwing Airlines

aircraft parked at the Vaclav Havel Airport Prague, Travel Service, Sunwing Airlines

Aircraft parked at the Vaclav Havel Airport Prague, Czech Republic, on March 29, 2020. Prague airport operations have fallen significantly due to the current coronavirus crisis. Czechs are banned from traveling to high-risk countries, while foreigners are not allowed to enter the Czech territory. Most carriers have reduced or canceled their scheduled services as a result of the rapid decline in demand caused by the spread of COVID-19. (CTK Photo/Ondrej Deml)