Spain's Princess Leonor removes her face mask during the ceremony of the 2021 Princess of Asturias Award for Communication and Humanities at Campoamor Theatre in Oviedo, Spain October 22, 2021. REUTERS/Vincent West

French President Emmanuel Macron wears a face mask at the end of the second day of a European Union leaders meeting in Brussels, Belgium October 22, 2021. Olivier Hoslet/Pool via REUTERS

Germany's Chancellor Angela Merkel wears a face mask at the end of the second day of a European Union leaders meeting in Brussels, Belgium October 22, 2021. Olivier Hoslet/Pool via REUTERS

French President Emmanuel Macron wears a face mask at the end of the second day of a European Union leaders meeting in Brussels, Belgium October 22, 2021. Olivier Hoslet/Pool via REUTERS

Slovakia's Prime Minister Eduard Heger departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

European Council President Charles Michel takes off his protective face mask as he participates in a media conference with European Commission President Ursula von der Leyen during the EU summit in Brussels, Belgium October 22, 2021. Olivier Matthys/Pool via REUTERS

Portugal's Prime Minister Antonio Costa departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Finland's Prime Minister Sanna Marin departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Germany's Chancellor Angela Merkel wears a face mask at the end of the second day of a European Union leaders meeting in Brussels, Belgium October 22, 2021. Olivier Hoslet/Pool via REUTERS

Germany's Chancellor Angela Merkel wears a face mask at the end of the second day of a European Union leaders meeting in Brussels, Belgium October 22, 2021. Olivier Hoslet/Pool via REUTERS

Germany's Chancellor Angela Merkel wears a face mask at the end of the second day of a European Union leaders meeting in Brussels, Belgium October 22, 2021. Olivier Hoslet/Pool via REUTERS

Germany's Chancellor Angela Merkel wears a face mask at the end of the second day of a European Union leaders meeting in Brussels, Belgium October 22, 2021. Olivier Hoslet/Pool via REUTERS

Malta's Prime Minister Robert Abela departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Malta's Prime Minister Robert Abela departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Portugal's Prime Minister Antonio Costa departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Sweden's Prime Minister Stefan Lofven departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Latvia's Prime Minister Krisjanis Karins departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Croatian Prime Minister Andrej Plenkovic departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Croatian Prime Minister Andrej Plenkovic departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Lithuania's President Gitanas Nauseda departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Lithuania's President Gitanas Nauseda departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Sweden's Prime Minister Stefan Lofven departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

EU High Representative Josep Borrell departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Hungary's Prime Minister Viktor Orban departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Czech Prime Minister Andrej Babis departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Hungary's Prime Minister Viktor Orban departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Hungary's Prime Minister Viktor Orban departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Hungary's Prime Minister Viktor Orban departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Hungary's Prime Minister Viktor Orban departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Cypriot President Nicos Anastasiades departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Cypriot President Nicos Anastasiades departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Romania's President Klaus Iohannis departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Irish Prime Minister Micheal Martin departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Irish Prime Minister Micheal Martin departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Irish Prime Minister Micheal Martin departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Irish Prime Minister Micheal Martin departs after a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Lithuanian President Gitanas Nauseda attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Finland's Prime Minister Sanna Marin attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Finland's Prime Minister Sanna Marin attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Finland's Prime Minister Sanna Marin attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Finland's Prime Minister Sanna Marin attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Lithuanian President Gitanas Nauseda arrives at a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Lithuanian President Gitanas Nauseda attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Lithuanian President Gitanas Nauseda attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Austria's Chancellor Alexander Schallenberg arrives at a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Austria's Chancellor Alexander Schallenberg attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Luxembourg's Prime Minister Xavier Bettel attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Luxembourg's Prime Minister Xavier Bettel attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Luxembourg's Prime Minister Xavier Bettel attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Luxembourg's Prime Minister Xavier Bettel arrives at a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Ireland's Prime Minister (Taoiseach) Micheal Martin attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Lithuanian President Gitanas Nauseda arrives at a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Croatian Prime Minister Andrej Plenkovic attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Croatian Prime Minister Andrej Plenkovic attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Finland's Prime Minister Sanna Marin attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Finland's Prime Minister Sanna Marin attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Austria's Chancellor Alexander Schallenberg attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Luxembourg's Prime Minister Xavier Bettel attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Croatian Prime Minister Andrej Plenkovic attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool

Lithuanian President Gitanas Nauseda attends a face-to-face European Union leaders summit in Brussels, Belgium, October 22, 2021. REUTERS/Johanna Geron/Pool