FILE - In this Friday, May 28, 2021, file photo, Manchester City supporters drink and chant by the Douro river bank in Porto, Portugal. English clubs Manchester City and Chelsea will play the Champions League soccer final in Porto on Saturday. (AP Photo/Luis Vieira, File)

FILE - In this May 22, 2021, file photo, Maneskin from Italy perform Zitti E Buoni after winning the Grand Final of the Eurovision Song Contest at Ahoy arena in Rotterdam, Netherlands. When Italy recently won the Eurovision Song Contest with an over-the-top glam-rock performance, the victory signaled more than just a psychological boost for one of the countries hardest hit by COVID-19: Held before a live, indoor audience of 3,500 in the Netherlands, the annual kitsch fest confirmed that Europe was returning to a semblance of normalcy that was unthinkable even a few weeks ago. (AP Photo/Peter Dejong, File)

FILE - In this May 28, 2021, file photo, customers sit in a terrace bar in downtown Barcelona, Spain. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Emilio Morenatti, File)

FILE - In this May 19, 2021, file photo, Dany Barrau reacts with a waitress after being served, at a restaurant terrace in La Ciotat southern France. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Daniel Cole, File)

FILE - In this May 17, 2021, file photo, a bartender pours a pint of beer at the Prince of Peckham pub, as it reopens to indoor customers, in London. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Alberto Pezzali, File)

FILE - In this May 14, 2021, file photo, passengers from Hanover wait to pick their luggage at Nikos Kazantzakis International Airport in Heraklion, on the island of Crete, Greece. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Harry Nakos, File)

FILE - In this May 13, 2021, file photo, Taia Ilhachamia, a 71 year old Morocco citizen resident in Spain, receives the Pfizer vaccine during a COVID-19 vaccination campaign in Alfaro, northern Spain. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Alvaro Barrientos)

FILE - In this May 13, 2021, file photo, people wait for the Pfizer vaccine during a COVID-19 vaccination campaign in Alfaro, northern Spain. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Alvaro Barrientos, File)

FILE - In this May 18, 2021, file photo, people queue for vaccinations against coronavirus at the ESSA academy in Bolton, England. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Jon Super, File)

FILE - In this May 22, 2021, file photo, a family on vacations lounges at the pool of Nissi Blue hotel in southeast resort of Ayia Napa, in the eastern Mediterranean island of Cyprus. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Italy and Cyprus are due to let restaurants reopen for indoor dining June 1, with discos — a big summertime moneymaker for southern European beach resorts — scheduled soon thereafter. (AP Photo/Petros Karadjias)

FILE - In this May 22, 2021, file photo, tourist walk at southeast resort of Ayia Napa, in the eastern Mediterranean island of Cyprus. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Italy and Cyprus are due to let restaurants reopen for indoor dining June 1, with discos — a big summertime moneymaker for southern European beach resorts — scheduled soon thereafter. (AP Photo/Petros Karadjias, File)

FILE - In this May 23, 2021, file photo, a couple with protective masks on dance at Republic square in Paris. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Rafael Yaghobzadeh, File)

FILE - In this May 9, 2021, file photo, people walk along La Concha beach, after lockdown restrictions were lifted, in San Sebastian, northern Spain. Coronavirus infections, hospitalizations and deaths are plummeting across much of Europe. Vaccination rates are accelerating, and with them, the promise of summer vacations. (AP Photo/Alvaro Barrientos, File)