Luxembourgish Prime Minister Xavier Bettel attends a European Union leaders' summit in Brussels, Belgium March 24, 2023. REUTERS/Johanna Geron 

Cypriot President Nikos Christodoulides and Luxembourgish Prime Minister Xavier Bettel attend a European Union leaders' summit in Brussels, Belgium March 24, 2023. REUTERS/Johanna Geron 

Cyprus President Nikos Christodoulides, Luxembourg's Prime Minister Xavier Bettel and Slovenia's Prime Minister Robert Golob speak to the media as they attend the European Union leaders summit in Brussels, Belgium March 23, 2023. REUTERS/Johanna Geron 

Luxembourg's Prime Minister Xavier Bettel speaks to the media as he attends the European Union leaders summit in Brussels, Belgium March 23, 2023. REUTERS/Johanna Geron 

Ukrainian President Volodymyr Zelenskiy speaks with Luxembourg's Prime Minister Xavier Bettel as he attends a bilateral meeting with EU leaders during the European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Johanna Geron/Pool 

Ukrainian President Volodymyr Zelenskiy speaks with Luxembourg's Prime Minister Xavier Bettel as he attends a bilateral meeting with EU leaders during the European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Johanna Geron/Pool 

Ukrainian President Volodymyr Zelenskiy speaks with Luxembourg's Prime Minister Xavier Bettel as he attends a bilateral meeting with EU leaders during the European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Johanna Geron/Pool 

Ukrainian President Volodymyr Zelenskiy speaks with Luxembourg's Prime Minister Xavier Bettel as he attends a bilateral meeting with EU leaders during the European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Johanna Geron/Pool 

France's President Emmanuel Macron, European Parliament President Roberta Metsola, Luxembourg's Prime Minister Xavier Bettel and Italy's Prime Minister Giorgia Meloni attend the European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Yves Herman 

France's President Emmanuel Macron, European Parliament President Roberta Metsola, Luxembourg's Prime Minister Xavier Bettel and Italy's Prime Minister Giorgia Meloni attend the European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Yves Herman 

Ukrainian President Volodymyr Zelenskiy shakes hands with Luxembourg's Prime Minister Xavier Bettel as they attend European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Johanna Geron 

Ukrainian President Volodymyr Zelenskiy stands with Luxembourg's Prime Minister Xavier Bettel and Poland's Prime Minister Mateusz Morawiecki as they attend European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Johanna Geron 

Luxembourg's Prime Minister Xavier Bettel speaks to the media as he attends European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Johanna Geron 

Luxembourg's Prime Minister Xavier Bettel attends the European leaders summit in Brussels, Belgium February 9, 2023. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel arrives for a European Union leaders' summit in Brussels, Belgium December 15, 2022. REUTERS/Johanna Geron 

Luxembourg's Prime Minister Xavier Bettel, right, speaks with Cypriot President Nicos Anastasiades, center, as they attend a round table meeting during the EU-ASEAN summit in Brussels, December 14, 2022. EU and ASEAN leaders meet in Brussels for a one day summit to discuss the EU-ASEAN strategic partnership, trade relations and various international topics. Olivier Matthys/Pool via REUTERS 

Luxembourgish Prime Minister Xavier Bettel attends the European Union (EU) and the Association of South-East Asian Nations (ASEAN) commemorative summit in Brussels, Belgium December 14, 2022. REUTERS/Johanna Geron 

French Foreign Minister Catherine Colonna (L) and Luxembourg's Prime Minister, Xavier Bettel (R) pose before the conference in solidarity with the Ukrainian people in Paris, France, December 13, 2022. Teresa Suarez/Pool via REUTERS 

Albania's Prime Minister Edi Rama, President of the European Council Charles Michel Malta's Prime Minister Robert Abela, Cypriot President Nicos Anastasiades, Luxembourg's Prime Minister Xavier Bettel, Portugal's Prime Minister Antonio Costa, Belgium's Prime Minister Alexander De Croo, Czech Prime Minister Petr Fiala, Slovenia's Prime Minister Robert Golob, Slovakia's Prime Minister Eduard Heger, Romania's President Klaus Iohannis, Estonia's Prime Minister Kaja Kallas, Austria's Chancellor Karl Nehammer, Lithuania's President Gitanas Nauseda, France's President Emmanuel Macron, Greece's Prime Minister Kyriakos Mitsotakis, Germany's Chancellor Olaf Scholz, Italy's Prime Minister Giorgia Meloni, Ireland's Prime Minister (Taoiseach) Micheal Martin, Sweden's Prime Minister Ulf Kristersson, Finland's Prime Minister Sanna Marin, Hungary's Prime Minister Viktor Orban, Croatia's Prime Minister Andrej Plenkovic, Bulgaria's President Rumen Radev, Netherlands' Prime Minister Mark Rutte, Serb member of Bosnia's tripartite inter-ethnic presidency Zeljka Cvijanovic, Montenegro's President Milo Dukanovic, North Macedonia's Prime Minister Dimitar Kovacevski, Kosovo's President Vjosa Osmani-Sadriu, Serbia's President Aleksandar Vucic, European Union Foreign Policy Chief Josep Borrell, European Commissioner for Neighbourhood and Enlargement Oliver Varhelyi, European Commission President Ursula von der Leyen, European Council Secretary General Therese Blanchet, Secretary-General of the Regional Cooperation Council Majlinda Bregu, Vice President of the European Investment Bank Lilyana Pavlova, President of the European Bank for Reconstruction and Development (EBRD) Odile Renaud-Basso and World Bank Country Manager for Albania Emanuel Salinas pose for family photo at the EU-Western Balkans summit in Tirana, Albania, December 6, 2022. REUTERS/Florion Goga 

Albania's Prime Minister Edi Rama welcomes Luxembourg's Prime Minister Xavier Bettel before the EU-Western Balkans summit in Tirana, Albania, December 6, 2022. REUTERS/Florion Goga 

Albania's Prime Minister Edi Rama welcomes Luxembourg's Prime Minister Xavier Bettel before the EU-Western Balkans summit in Tirana, Albania, December 6, 2022. REUTERS/Florion Goga 

Albania's Prime Minister Edi Rama welcomes Luxembourg's Prime Minister Xavier Bettel before the EU-Western Balkans summit in Tirana, Albania, December 6, 2022. REUTERS/Florion Goga 

Slovakia's Prime Minister Eduard Heger and Luxembourg's Prime Minister Xavier Bettel attend a European Union leaders' summit in Brussels, Belgium October 21, 2022. REUTERS/Yves Herman 

Slovakia's Prime Minister Eduard Heger and Luxembourg's Prime Minister Xavier Bettel attend a European Union leaders' summit in Brussels, Belgium October 21, 2022. REUTERS/Yves Herman 

Slovakia's Prime Minister Eduard Heger and Luxembourg's Prime Minister Xavier Bettel speak with each other as they attend a European Union leaders' summit in Brussels, Belgium October 21, 2022. REUTERS/Yves Herman 

Slovakia's Prime Minister Eduard Heger and Luxembourg's Prime Minister Xavier Bettel attend a European Union leaders' summit in Brussels, Belgium October 21, 2022. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel and Belgium's Prime Minister Alexander De Croo attend the European Union leaders' summit in Brussels, Belgium, October 20, 2022. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel speaks with Cyprus' President Nicos Anastasiades during the European Union leaders' summit in Brussels, Belgium, October 20, 2022. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel, Czech Prime Minister Petr Fiala and Cyprus' President Nicos Anastasiades speak during the European Union leaders' summit in Brussels, Belgium, October 20, 2022. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel, Slovakia's Prime Minister Eduard Heger and Cyprus' President Nicos Anastasiades speak during the European Union leaders' summit in Brussels, Belgium, October 20, 2022. REUTERS/Yves Herman 

Danish Prime Minister Mette Frederiksen hugs Luxembourg's Prime Minister Xavier Bettel as Slovakia's Prime Minister Eduard Heger during the European Union leaders' summit in Brussels, Belgium, October 20, 2022. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel and Belgium's Prime Minister Alexander De Croo attend the European Union leaders' summit in Brussels, Belgium, October 20, 2022. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel speaks with Cyprus' President Nicos Anastasiades during the European Union leaders' summit in Brussels, Belgium, October 20, 2022. REUTERS/Yves Herman 

Swedish Prime Minister Ulf Kristersson, German Chancellor Olaf Scholz and Prime Minister of Luxembourg Xavier Bettel attend the European Union leaders' summit in Brussels, Belgium, October 20, 2022. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel attends the European Union leaders' summit in Brussels, Belgium October 20, 2022. REUTERS/Piroschka van de Wouw 

Prime Minister of Luxembourg Xavier Bettel speaks to the media as he attends the European Union leaders' summit in Brussels, Belgium October 20, 2022. REUTERS/Yves Herman 

Prime Minister of Luxembourg, Xavier Bettel and French President Emmanuel Macron speak to the media as they attend the European Union leaders' summit in Brussels, Belgium October 20, 2022. REUTERS/Yves Herman 

Luxembourg's Prime Minister Xavier Bettel attends the European Union leaders' summit in Brussels, Belgium October 20, 2022. REUTERS/Piroschka van de Wouw 

Luxembourg's Prime Minister Xavier Bettel meets with Japan's Prime Minister Fumio Kishida at Kishida's official residence in Tokyo, Japan October 18, 2022. REUTERS/Issei Kato/Pool 

Luxembourg's Prime Minister Xavier Bettel meets with Japan's Prime Minister Fumio Kishida at Kishida's official residence in Tokyo, Japan October 18, 2022. REUTERS/Issei Kato/Pool 

Luxembourg's Prime Minister Xavier Bettel meets with Japan's Prime Minister Fumio Kishida at Kishida's official residence in Tokyo, Japan October 18, 2022. REUTERS/Issei Kato/Pool 

Luxembourg's Prime Minister Xavier Bettel is greeted outside Prague Castle, during the Informal EU 27 Summit and Meeting within the European Political Community in Prague, Czech Republic October 7, 2022. REUTERS/Eva Korinkova 

Luxembourg's Prime Minister Xavier Bettel attends the Informal EU 27 Summit and Meeting within the European Political Community at Prague Castle, in Prague, Czech Republic, October 7, 2022. REUTERS/Leonhard Foeger 

Luxembourg's Prime Minister Xavier Bettel attends the Informal EU 27 Summit and Meeting within the European Political Community at Prague Castle, in Prague, Czech Republic, October 7, 2022. REUTERS/Leonhard Foeger 

Luxembourg's Prime Minister Xavier Bettel attends the Informal EU 27 Summit and Meeting within the European Political Community at Prague Castle, in Prague, Czech Republic, October 7, 2022. REUTERS/Leonhard Foeger 

Luxembourg's Prime Minister Xavier Bettel attends the Informal EU 27 Summit and Meeting within the European Political Community at Prague Castle, in Prague, Czech Republic, October 7, 2022. REUTERS/Leonhard Foeger 

Portugal's Prime Minister Antonio Costa, Albania's Prime Minister Edi Rama and Luxembourg's Prime Minister Xavier Bettel speak during the Informal EU 27 Summit and Meeting within the European Political Community at Prague Castle in Prague, Czech Republic, October 6, 2022. REUTERS/Leonhard Foeger 

Prime Minister of Luxembourg Xavier Bettel and President of European Commission Ursula von der Leyen gesture as Herzegovina Sefik Dzaferovi smiles at the Informal EU 27 Summit and Meeting within the European Political Community at Prague Castle in Prague, Czech Republic, October 6, 2022. REUTERS/David W Cerny 

Portugal's Prime Minister Antonio Costa, Albania's Prime Minister Edi Rama and Luxembourg's Prime Minister Xavier Bettel speak as they pose for a family photograph at the Informal EU 27 Summit and Meeting within the European Political Community at Prague Castle in Prague, Czech Republic, October 6, 2022. REUTERS/Eva Korinkova 

Portugal's Prime Minister Antonio Costa, Albania's Prime Minister Edi Rama and Luxembourg's Prime Minister Xavier Bettel speak as they pose for a family photograph at the Informal EU 27 Summit and Meeting within the European Political Community at Prague Castle in Prague, Czech Republic, October 6, 2022. REUTERS/Eva Korinkova 

Luxembourg's Prime Minister Xavier Bettel addresses the 77th United Nations General Assembly at U.N. headquarters in New York City, New York, U.S., September 23, 2022. REUTERS/Caitlin Ochs 

Luxembourg's Prime Minister Xavier Bettel attends a NATO summit in Madrid, Spain June 30, 2022. REUTERS/Susana Vera 

Latvia's President Egils Levits, Lithuania's President Gitanas Nauseda, Luxembourg's Prime Minister Xavier Bettel, Montenegro's President Milo Dukanovic, Netherland's Prime Minister Mark Rutte, North Macedonia's President Stevo Pendarovski, Norway's Prime Minister Jonas Gahr Store, Poland's President Andrzej Duda, Portugal's Prime Minister Antonio Costa, Romania's President Klaus Werner Iohannis, Croatia's President Zoran Milanovic, Czech Republic's Prime Minister Petr Fiala, Denmark's Prime Minister Mette Frederiksen, Estonia's Prime Minister Kaja Kallas, France's President Emmanuel Macron, Germany's Chancellor Olaf Scholz, Greek Prime Minister Kyriakos Mitsotakis, Hungary's Prime Minister Viktor Orban, Iceland's Prime Minister Katrin Jakobsdottir, Italy's Prime Minister Mario Draghi, Canada's Prime Minister Justin Trudeau, Bulgaria's President Rumen Radev, Belgium's Prime Minister Alexander De Croo, Albania's Prime Minister Edi Rama, Spain's Prime Minister Pedro Sanchez, NATO Secretary General Jens Stoltenberg, U.S. President Joe Biden, British Prime Minister Boris Johnson, Turkish President Recep Tayyip Erdogan, Slovenia's Prime Minister Robert Golob and Slovakia's President Zuzana Caputova pose for the family photo during the NATO summit in Madrid, Spain June 29, 2022. Stefan Rousseau/Pool via REUTERS 

Luxembourg's Prime Minister Xavier Bettel arrives for a NATO summit in Madrid, Spain June 29, 2022. REUTERS/Violeta Santos Moura 

European Commission President Ursula von der Leyen reacts with Luxembourg's Prime Minister Xavier Bettel as they attend a European Union leaders summit in Brussels, Belgium June 24, 2022. REUTERS/Johanna Geron 

Hungary's Prime Minister Viktor Orban and Luxembourg's Prime Minister Xavier Bettel attend the European Union leaders summit, as EU's leaders attempt to agree on Russian oil sanctions in response to Russia's invasion of Ukraine, in Brussels, Belgium May 30, 2022. REUTERS/Johanna Geron 

Luxembourg's Prime Minister Xavier Bettel speaks to media as he arrives for the European Union leaders summit, as EU's leaders attempt to agree on Russian oil sanctions in response to Russia's invasion of Ukraine, in Brussels, Belgium May 30, 2022. REUTERS/Johanna Geron 

Luxembourg's Prime Minister Xavier Bettel speaks to media as he arrives for the European Union leaders summit, as EU's leaders attempt to agree on Russian oil sanctions in response to Russia's invasion of Ukraine, in Brussels, Belgium May 30, 2022. REUTERS/Johanna Geron 

Luxembourg's Prime Minister Xavier Bettel speaks during a joint news conference with Cyprus President Nicos Anastasiades at the Presidential Palace in Nicosia, Cyprus, May 5, 2022. Katia Christodoulou/Pool via REUTERS 

Cyprus President Nicos Anastasiades and Luxembourg's Prime Minister Xavier Bettel speak during a joint news conference at the Presidential Palace in Nicosia, Cyprus, May 5, 2022. Katia Christodoulou/Pool via REUTERS