Bosnians sit in a cafe in Sarajevo, Bosnia, Monday, April 12, 2021. Following two weeks during which the COVID-19 infection numbers did not significantly increase the local authorities in the Bosnian capital decided to allow the re-opening of bars, terraces and non essential business, while indoor dining will still not be allowed and the mandatory curfew between 1900 and 0300 GMT will remain in place. (AP Photo/Eldar Emric)

Bosnians walk by cafes in Sarajevo, Bosnia, Monday, April 12, 2021. Following two weeks during which the COVID-19 infection numbers did not significantly increase the local authorities in the Bosnian capital decided to allow the re-opening of bars, terraces and non essential business, while indoor dining will still not be allowed and the mandatory curfew between 1900 and 0300 GMT will remain in place. (AP Photo/Eldar Emric)

Bosnians sit in a cafe in Sarajevo, Bosnia, Monday, April 12, 2021. Following two weeks during which the COVID-19 infection numbers did not significantly increase the local authorities in the Bosnian capital decided to allow the re-opening of bars, terraces and non essential business, while indoor dining will still not be allowed and the mandatory curfew between 1900 and 0300 GMT will remain in place. (AP Photo/Eldar Emric)

A woman wearing a face mask walks by a cafe in Sarajevo, Bosnia, Monday, April 12, 2021. Following two weeks during which the COVID-19 infection numbers did not significantly increase the local authorities in the Bosnian capital decided to allow the re-opening of bars, terraces and non essential business, while indoor dining will still not be allowed and the mandatory curfew between 1900 and 0300 GMT will remain in place. (AP Photo/Eldar Emric)

A woman enters a cafe in Sarajevo, Bosnia, Monday, April 12, 2021. Following two weeks during which the COVID-19 infection numbers did not significantly increase the local authorities in the Bosnian capital decided to allow the re-opening of bars, terraces and non essential business, while indoor dining will still not be allowed and the mandatory curfew between 1900 and 0300 GMT will remain in place. (AP Photo/Eldar Emric)

Women eat at an outdoor cafe in Sarajevo, Bosnia, Monday, April 12, 2021. Following two weeks during which the COVID-19 infection numbers did not significantly increase the local authorities in the Bosnian capital decided to allow the re-opening of bars, terraces and non essential business, while indoor dining will still not be allowed and the mandatory curfew between 1900 and 0300 GMT will remain in place. (AP Photo/Eldar Emric)

A waiter brings a coffee as Bosnians sit in a cafe in Sarajevo, Bosnia, Monday, April 12, 2021. Following two weeks during which the COVID-19 infection numbers did not significantly increase the local authorities in the Bosnian capital decided to allow the re-opening of bars, terraces and non essential business, while indoor dining will still not be allowed and the mandatory curfew between 1900 and 0300 GMT will remain in place. (AP Photo/Eldar Emric)