A female security (C) answers a passenger's question at Malta International Airport in Luqa, Malta, July 1, 2020. Malta International Airport reopened on Wednesday after closure because of COVID-19 restrictions. (Photo by Jonathan Borg/Xinhua)

A security walks by the terminal building of Malta International Airport in Luqa, Malta, July 1, 2020. Malta International Airport reopened on Wednesday after closure because of COVID-19 restrictions. (Photo by Jonathan Borg/Xinhua)

Travelers arrive at Malta International Airport in Luqa, Malta, July 1, 2020. Malta International Airport reopened on Wednesday after closure because of COVID-19 restrictions. (Photo by Jonathan Borg/Xinhua)

Travelers arrive at Malta International Airport in Luqa, Malta, July 1, 2020. Malta International Airport reopened on Wednesday after closure because of COVID-19 restrictions. (Photo by Jonathan Borg/Xinhua)

The ground staff handle luggage at Malta International Airport in Luqa, Malta, July 1, 2020. Malta International Airport reopened on Wednesday after closure because of COVID-19 restrictions. (Photo by Jonathan Borg/Xinhua)

Travelers arrive at Malta International Airport in Luqa, Malta, July 1, 2020. Malta International Airport reopened on Wednesday after closure because of COVID-19 restrictions. (Photo by Jonathan Borg/Xinhua)