LISBON, PORTUGAL - JULY 22: Ryanair and EasyJet aircraft are parked on the tarmac in Humberto Delgado International Airport during a hot afternoon due to flying schedules' reduction during the COVID-19 Coronavirus pandemic, on July 22, 2020 in Lisbon, Portugal. Airlines all over the world are facing grave financial problems due to travel restrictions and quarantines imposed by countries to arriving passengers. (Photo by Horacio Villalobos#Corbis/Corbis via Getty Images)
{}