A worker at the Lithuanian mint holds a silver coin, produced to be exchanged for sets of digital currency released by Lithuanian central bank in Vilnius, Lithuania June 1, 2020. Lithuania is about to issue the first central bank-produced digital coin in the euro zone, part of a project to trial state-backed digital currencies and blockchain technology in everyday use. Picture taken June 1, 2020. REUTERS/Andrius Sytas

A worker at the Lithuanian mint holds a silver coin, produced to be exchanged for sets of digital currency released by Lithuanian central bank in Vilnius, Lithuania June 1, 2020. Lithuania is about to issue the first central bank-produced digital coin in the euro zone, part of a project to trial state-backed digital currencies and blockchain technology in everyday use. Picture taken June 1, 2020. REUTERS/Andrius Sytas

Lithuanian Minister of Foreign Affairs Linas Linkevicius attends a news conference, during the coronavirus disease (COVID-19) outbreak in Riga, Latvia May 15, 2020. REUTERS/Ints Kalnins

Latvian Minister of Foreign Affairs Edgars Rinkevics, Lithuanian Minister of Foreign Affairs Linas Linkevicius, and Estonian Minister of Foreign Affairs Urmas Reinsalu attend a news conference, during the coronavirus disease (COVID-19) outbreak in Riga, Latvia May 15, 2020. REUTERS/Ints Kalnins

Latvian Minister of Foreign Affairs Edgars Rinkevics, Lithuanian Minister of Foreign Affairs Linas Linkevicius, and Estonian Minister of Foreign Affairs Urmas Reinsalu hold signed memorandums on free movement of residents of their countries, during the coronavirus disease (COVID-19) outbreak in Riga, Latvia May 15, 2020. REUTERS/Ints Kalnins

Latvian Minister of Foreign Affairs Edgars Rinkevics, Lithuanian Minister of Foreign Affairs Linas Linkevicius, and Estonian Minister of Foreign Affairs Urmas Reinsalu arrive to sign a memorandum on free movement of residents of their countries, during the coronavirus disease (COVID-19) outbreak in Riga, Latvia May 15, 2020. REUTERS/Ints Kalnins

Lithuanian border guards check the health and documents of people crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

Lithuanian border guards check the health and documents of a people crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

A Lithuanian border guard checks the health of a person crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

A Lithuanian border guard checks documents of a person crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

A Lithuanian border guard checks documents of a person crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

A Lithuanian border guard checks the health of a person crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

A Lithuanian border guard checks the health of a person crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

A Lithuanian border guard checks the health of a person crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

A Lithuanian border guard checks the health of a person crossing the Latvian-Lithuanian border, as travel restrictions for residents of Latvia, Lithuania and Estonia are lifted during the coronavirus disease (COVID-19) outbreak, in Salociai border crossing point, Lithuania May 15, 2020. REUTERS/Ints Kalnins

Lithuanian conductor Mirga Grazinyte-Tyla, Music Director of the City of Birmingham Symphony Orchestra, reacts during an interview with Reuters in Madrid, Spain January 22, 2020. Picture taken January 22, 2020. REUTERS/Susana Vera

Lithuanian conductor Mirga Grazinyte-Tyla, Music Director of the City of Birmingham Symphony Orchestra, poses after an interview with Reuters in Madrid, Spain January 22, 2020. Picture taken January 22, 2020. REUTERS/Susana Vera

Lithuanian conductor Mirga Grazinyte-Tyla, Music Director of the City of Birmingham Symphony Orchestra, reacts during an interview with Reuters in Madrid, Spain January 22, 2020. Picture taken January 22, 2020. REUTERS/Susana Vera

Lithuanian conductor Mirga Grazinyte-Tyla, Music Director of the City of Birmingham Symphony Orchestra, poses after an interview with Reuters in Madrid, Spain January 22, 2020. Picture taken January 22, 2020. REUTERS/Susana Vera

Lithuanian President Gitanas Nauseda arrives for the a special European council on budget in Brussels, Belgium February 20, 2020. Julien Warnand/Pool via REUTERS

Lithuanian President Gitanas Nauseda arrives at the European Union leaders summit in Brussels, Belgium, February 20, 2020. REUTERS/Yves Herman REFILE - CORRECTING ID

Lithuanian President Gitanas Nauseda arrives at the European Union leaders summit in Brussels, Belgium, February 20, 2020. REUTERS/Yves Herman REFILE - CORRECTING ID

European Council President Charles Michel (R) welcomes Lithuanian President Gitanas Nauseda at the EU Council headquarters in Brussels, Belgium February 11, 2020. John Thys/Pool via REUTERS

European Council President Charles Michel (R) welcomes Lithuanian President Gitanas Nauseda at the EU Council headquarters in Brussels, Belgium February 11, 2020. John Thys/Pool via REUTERS

European Council President Charles Michel (R) welcomes President of Lithuania Gitanas Nauseda before their bilateral meeting at the EU headquarters in Brussels, Belgium February 11, 2020. John Thys /Pool via REUTERS

European Council President Charles Michel (R) welcomes President of Lithuania Gitanas Nauseda before their bilateral meeting at the EU headquarters in Brussels, Belgium February 11, 2020. John Thys /Pool via REUTERS

AirBaltic Airbus A220-300 plane YL-CSK painted in Lithuanian national colors approaches Riga International Airport in Riga, Latvia January 17, 2020. REUTERS/Ints Kalnins

AirBaltic Airbus A220-300 plane YL-CSK painted in Lithuanian national colors takes off in Riga International Airport in Riga, Latvia January 17, 2020. REUTERS/Ints Kalnins

Estonian President Kersti Kaljulaid, Latvian President Egils Levits and Lithuanian President Gitanas Nauseda attend a news conference in Riga, Latvia December 17, 2019. REUTERS/Ints Kalnins

Estonian President Kersti Kaljulaid, Latvian President Egils Levits and Lithuanian President Gitanas Nauseda attend a news conference in Riga, Latvia December 17, 2019. REUTERS/Ints Kalnins

Estonian President Kersti Kaljulaid, Latvian President Egils Levits and Lithuanian President Gitanas Nauseda attend a news conference in Riga, Latvia December 17, 2019. REUTERS/Ints Kalnins

Estonian President Kersti Kaljulaid, Latvian President Egils Levits and Lithuanian President Gitanas Nauseda attend a news conference in Riga, Latvia December 17, 2019. REUTERS/Ints Kalnins

Lithuanian President Gitanas Nauseda attends a news conference in Riga, Latvia December 17, 2019. REUTERS/Ints Kalnins

Lithuanian President Gitanas Nauseda attends a news conference in Riga, Latvia December 17, 2019. REUTERS/Ints Kalnins

Lithuanian and Polish honour guards stand next to coffins carrying remains of 19th-century insurgency leaders against Russia, inside a cathedral in Vilnius, Lithuania, November 22, 2019. REUTERS/Ints Kalnins

Lithuanian President Gitanas Nauseda listens to Director of the State Security Department Darius Jauniskis in Vilnius, Lithuania November 15, 2019. REUTERS/Andrius Sytas

Lithuanian President Gitanas Nauseda shakes hands with Director of the State Security Department Darius Jauniskis in Vilnius, Lithuania November 15, 2019. REUTERS/Andrius Sytas

Pope Francis poses for a photo with Lithuanian President Gitanas Nauseda, left, and his wife Diana Nausediene during a private audience at the Vatican, November 8, 2019. Alessandra Tarantino/Pool via REUTERS

Pope Francis shakes hands with Lithuanian President Gitanas Nauseda during a private audience at the Vatican, November 8, 2019. Alessandra Tarantino/Pool via REUTERS

Swiss Guard are silhouetted during the changing of the guard at the Bronze Door, before Pope Francis' private audience with Lithuanian President Gitanas Nauseda at the Vatican, November 8, 2019. Alessandra Tarantino/Pool via REUTERS

Pope Francis exchanges gifts with Lithuanian President Gitanas Nauseda during a private audience at the Vatican, November 8, 2019. Alessandra Tarantino/Pool via REUTERS

Pope Francis exchanges gifts with Lithuanian President Gitanas Nauseda during a private audience at the Vatican, November 8, 2019. Alessandra Tarantino/Pool via REUTERS

Pope Francis meets Lithuanian President Gitanas Nauseda at the Vatican, November 8, 2019. Alessandra Tarantino/Pool via REUTERS

Pope Francis meets Lithuanian President Gitanas Nauseda at the Vatican, November 8, 2019. Alessandra Tarantino/Pool via REUTERS

U.S. Secretary of Energy Rick Perry and Lithuanian Minister of Energy Zygimantas Vaiciunas attend a news conference after the partnership for Transatlantic energy cooperation conference in Vilnius, Lithuania October 7, 2019. REUTERS/Ints Kalnins

Lithuanian Army's M113A armoured personnel carrier drives during NATO enhanced Forward Presence battle group military exercise Silver Arrow in Adazi, Latvia October 5, 2019. REUTERS/Ints Kalnins

Lithuanian police officers and local municipality specialists wear protection gear during a civil protection functional exercise in case of nuclear disaster in Magunai village, Lithuania October 2, 2019. REUTERS/Ints Kalnins

Lithuanian police officers adjust protection gear during a civil protection functional exercise in case of nuclear disaster in Magunai village, Lithuania October 2, 2019. REUTERS/Ints Kalnins

Lithuanian President Gitanas Nauseda and Latvian President Egils Levits attend an event to commemorate the anniversary of the Baltic Way on the border with Latvia near Salociai, Lithuania August 23, 2019. REUTERS/Ints Kalnins

People hold Lithuanian flags during an event to commemorate the anniversary of the Baltic Way on the border with Latvia near Salociai, Lithuania August 23, 2019. REUTERS/Ints Kalnins

People hold Lithuanian flags during an event to commemorate the anniversary of the Baltic Way on the border with Latvia near Salociai, Lithuania August 23, 2019. REUTERS/Ints Kalnins

German Chancellor Angela Merkel and Lithuanian President Gitanas Nauseda attend a welcoming ceremony at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch

German Chancellor Angela Merkel arrives for a welcoming ceremony with Lithuanian President Gitanas Nauseda at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch

German Chancellor Angela Merkel and Lithuanian President Gitanas Nauseda attend a welcoming ceremony at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch

German Chancellor Angela Merkel and Lithuanian President Gitanas Nauseda attend a welcoming ceremony at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch

Chairs stand on the podium before a welcoming ceremony for the meeting between German Chancellor Angela Merkel and Lithuanian President Gitanas Nauseda at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch

Chairs stand on the podium before a welcoming ceremony for the meeting between German Chancellor Angela Merkel and Lithuanian President Gitanas Nauseda at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch

German Chancellor Angela Merkel and Lithuanian President Gitanas Nauseda attend a welcoming ceremony at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch

German Chancellor Angela Merkel and Lithuanian President Gitanas Nauseda attend a welcoming ceremony at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch

German Chancellor Angela Merkel and Lithuanian President Gitanas Nauseda attend a welcoming ceremony at the Chancellery in Berlin, Germany, August 14, 2019. REUTERS/Fabrizio Bensch