Denmark's Prime Minister Lars Lokke Rasmussen arrives for the European Union leaders summit in Brussels, Belgium, June 21, 2019. Virginia Mayo/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the European Union leaders summit in Brussels, Belgium, June 21, 2019. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the European Union leaders summit in Brussels, Belgium, June 21, 2019. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen, Croatia's Prime Minister Andrej Plenkovic and Poland's Prime Minister Mateusz Morawiecki talk during the European Union leaders summit in Brussels, Belgium, June 21, 2019. REUTERS/Francois Lenoir

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the European Union leaders summit in Brussels, Belgium, June 21, 2019. REUTERS/Piroschka van de Wouw

Luxembourg's Prime Minister Xavier Bettel, French President Emmanuel Macron, Dutch Prime Minister Mark Rutte and Denmark's Prime Minister Lars Lokke Rasmussen attend the European Union leaders summit in Brussels, Belgium, June 20, 2019. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium, June 20, 2019. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium, June 20, 2019. Julien Warnard/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium, June 20, 2019. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium, June 20, 2019. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the European Union leaders summit in Brussels, Belgium, June 20, 2019. REUTERS/Yves Herman

Denmark's Prime Minister Lars Lokke Rasmussen and Estonian Prime Minister Juri Ratas take part in a EU summit following the EU elections, in Brussels, Belgium May 28, 2019. REUTERS/Yves Herman/Pool

Danish Prime Minister Lars Lokke Rasmussen speaks with Estonian Prime Minister Juri Ratas during a dinner meeting at a European Union leaders summit after European Parliament elections to discuss who should run the EU executive for the next five years, in Brussels, Belgium May 28, 2019. Francisco Seco/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives at a European Union leaders summit after European Parliament elections to discuss who should run the EU executive for the next five years, in Brussels, Belgium May 28, 2019. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives at a European Union leaders summit after European Parliament elections to discuss who should run the EU executive for the next five years, in Brussels, Belgium May 28, 2019. REUTERS/Piroschka van de Wouw

France's President Emmanuel Macron greets Denmark's Prime Minister Lars Lokke Rasmussen during the informal meeting of European Union leaders in Sibiu, Romania, May 9, 2019. Ludovic Marin/Pool via REUTERS

German Federal Chancellor Angela Merkel and Denmark's Prime Minister Lars Lokke Rasmussen attend the informal meeting of European Union leaders in Sibiu, Romania, May 9, 2019. Olivier Hoslet/Pool via REUTERS

German Chancellor Angela Merkel and Denmark's Prime Minister Lars Lokke Rasmussen attend the informal meeting of European Union leaders in Sibiu, Romania, May 9, 2019. Olivier Hoslet/Pool via REUTERS

German Federal Chancellor Angela Merkel and Denmark's Prime Minister Lars Lokke Rasmussen attend the informal meeting of European Union leaders in Sibiu, Romania, May 9, 2019. Olivier Hoslet/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives at an extraordinary European Union leaders summit to discuss Brexit, in Brussels, Belgium April 10, 2019. REUTERS/Yves Herman

Denmark's Prime Minister Lars Lokke Rasmussen arrives at an extraordinary European Union leaders summit to discuss Brexit, in Brussels, Belgium April 10, 2019. REUTERS/Yves Herman

Denmark's Prime Minister Lars Lokke Rasmussen arrives at an extraordinary European Union leaders summit to discuss Brexit, in Brussels, Belgium April 10, 2019. REUTERS/Eva Plevier

German Chancellor Angela Merkel, Lithuania's President Dalia Grybauskaite, French President Emmanuel Macron and Denmark's Prime Minister Lars Lokke Rasmussen pose for a family photo during a EU summit in Brussels, Belgium March 22, 2019. REUTERS/Yves Herman

Denmark's Prime Minister Lars Lokke Rasmussen arrives at a European Union leaders summit in Brussels, Belgium March 22, 2019. REUTERS/Toby Melville

Denmark's Prime Minister Lars Lokke Rasmussen arrives at a European Union leaders summit in Brussels, Belgium March 22, 2019. REUTERS/Yves Herman

Denmark's Prime Minister Lars Lokke Rasmussen arrives on December 13, 2018 in Brussels for a European Summit aimed at discussing the Brexit deal, the long-term budget and the single market. John Thys/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives on December 13, 2018 in Brussels for a European Summit aimed at discussing the Brexit deal, the long-term budget and the single market. John Thys/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives on December 13, 2018 in Brussels for a European Summit aimed at discussing the Brexit deal, the long-term budget and the single market. John Thys/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives at an extraordinary EU leaders summit to finalise and formalise the Brexit agreement in Brussels, Belgium November 25, 2018. REUTERS/Yves Herman/Pool

Spain's King Felipe VI, the President of the European Commission Jean-Claude Juncker, Lithuania's President Dalia Grybauskaite, Denmark's Prime Minister Lars Lokke Rasmussen, Morocco's Prince Moulay Hassan, Moroccan King Mohammed VI, German Chancellor Angela Merkel, French President Emmanuel Macron and his wife Brigitte Macron and Canadian Prime Minister Justin Trudeau arrive at a commemoration ceremony for Armistice Day, 100 years after the end of World War One, at the Arc de Triomphe, in Paris, France, November 11, 2018. Ludovic Marin/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen, Morocco's Prince Moulay Hassan, Moroccan King Mohammed VI, German Chancellor Angela Merkel, French President Emmanuel Macron and his wife Brigitte Macron and Canadian Prime Minister Justin Trudeau arrive at a commemoration ceremony for Armistice Day, 100 years after the end of the First World War at the Arc de Triomphe, in Paris, France, November 11, 2018. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron, his wife Brigitte, German Chancellor Angela Merkel, Canada's Prime Minister Justin Trudeau, Lithuania's President Dalia Grybauskaite, King Felipe VI of Spain, Denmark's Prime Minister Lars Lokke Rasmussen, European Commission President Jean-Claude Juncker and other heads of states and governments arrive to attend a commemoration ceremony for Armistice Day, 100 years after the end of World War One at the Arc de Triomphe, in Paris, France, November 11, 2018. REUTERS/Yves Herman

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the European Union leaders summit in Brussels, Belgium, October 18, 2018. Francois Walschaerts/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium October 18, 2018. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium October 18, 2018. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium October 18, 2018. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium October 18, 2018. REUTERS/Francois Lenoir

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the European Union leaders summit in Brussels, Belgium October 18, 2018. REUTERS/Piroschka van de Wouw

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the informal meeting of European Union leaders ahead of the EU summit, in Salzburg, Austria, September 19, 2018. REUTERS/Leonhard Foeger

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the informal meeting of European Union leaders ahead of the EU summit, in Salzburg, Austria, September 19, 2018. REUTERS/Leonhard Foeger

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the informal meeting of European Union leaders ahead of the EU summit, in Salzburg, Austria, September 19, 2018. REUTERS/Lisi Niesner

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the second day of a NATO summit in Brussels, Belgium, July 12, 2018. Tatyana Zenkovich/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives for the second day of a NATO summit in Brussels, Belgium, July 12, 2018. Tatyana Zenkovich/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen and British Prime Minister Theresa May pose for a photograph prior to a bilateral meeting with Denmark's Prime Minister Lars Lokke Rasmussen during a summit of heads of state and government at NATO headquarters in Brussels, Belgium, Thursday, July 12, 2018. Olivier Matthys/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen, left, and British Prime Minister Theresa May pose for a photograph prior to a bilateral meeting with Denmark's Prime Minister Lars Lokke Rasmussen during a summit of heads of state and government at NATO headquarters in Brussels, Belgium, Thursday, July 12, 2018. Olivier Matthys/Pool via REUTERS

British Prime Minister Theresa May smiles prior to a bilateral meeting with Denmark's Prime Minister Lars Lokke Rasmussen during a summit of heads of state and government at NATO headquarters in Brussels, Belgium, Thursday, July 12, 2018. Olivier Matthys/Pool via REUTERS

British Prime Minister Theresa May smiles prior to a bilateral meeting with Denmark's Prime Minister Lars Lokke Rasmussen during a summit of heads of state and government at NATO headquarters in Brussels, Belgium, Thursday, July 12, 2018. Olivier Matthys/Pool via REUTERS

PM Michel's partner Amelie Derbaudrenghien and Belgian Prime Minister Charles Michel welcome Denmark's Prime Minister Lars Lokke Rasmussen at the arrival for a dinner at the Parc du Cinquantenaire - Jubelpark park in Brussels, Belgium July 11, 2018. Picture taken July 11, 2018. Benoit Doppagne/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives for a multilateral meeting of the North Atlantic Council with Georgia and Ukraine, during the NATO summit in Brussels, Belgium July 12, 2018. REUTERS/Darrin Zammit Lupi

(First row L-R) German Chancellor Angela Merkel, Belgium's Prime Minister Charles Michel, NATO Secretary General Jens Stoltenberg, US President Donald Trump, Britain's Prime Minister Theresa May (second row L-R) Denmark's Prime Minister Lars Lokke Rasmussen, Norway's Prime Minister Erna Solberg, Poland's President Andrzej Duda, French President Emmanuel Macron (third row) Albania's Prime Minister Edi Rama, Czech Republic President Milos Zeman and Spain's Prime Minister Pedro Sanchez pose for a family picture ahead of the opening ceremony of the NATO (North Atlantic Treaty Organization) summit, at the NATO headquarters in Brussels, Belgium July 11, 2018. Ludovic Marin/Pool via REUTERS TPX IMAGES OF THE DAY

U.S. President Donald Trump, Belgium's Prime Minister Charles Michel, Norway's Prime Minister Erna Solberg, Canada's Prime Minister Justin Trudeau and Denmark's Prime Minister Lars Lokke Rasmussen are seen at the start of the NATO summit in Brussels, Belgium July 11, 2018. REUTERS/Reinhard Krause

Denmark's Prime Minister Lars Lokke Rasmussen is greeted by NATO Secretary General Jens Stoltenberg before a summit of heads of state and government at NATO headquarters in Brussels, Belgium July 11, 2018. Francois Mori/Pool via REUTERS

Lithuania's President Dalia Grybauskaite, Canada's Prime Minister Justin Trudeau, Poland's President Andrzej Duda, Denmark's Prime Minister Lars Lokke Rasmussen, Luxembourg's Prime Minister Xavier Bettel, Slovakia's President Andrej Kiska, French President Emmanuel Macron and Belgium's Prime Minister Charles Michel arrive for a family picture ahead of the opening ceremony of the NATO (North Atlantic Treaty Organization) summit, at the NATO headquarters in Brussels, Belgium, July 11, 2018. Ludovic Marin/Pool via REUTERS

(First row L-R) German Chancellor Angela Merkel, Belgium's Prime Minister Charles Michel, NATO Secretary General Jens Stoltenberg, US President Donald Trump, Britain's Prime Minister Theresa May, Estonia's Prime Minister Juri Ratas, Slovenia's Prime Minister Miro Cerar, (second row L-R) Denmark's Prime Minister Lars Lokke Rasmussen, Norway's Prime Minister Erna Solberg, Poland's President Andrzej Duda, French President Emmanuel Macron, Slovak Republic's President Andrej Kiska, Latvia's President Raimonds Vejonis, (third row) Albania's Prime Minister Edi Rama, Czech Republic President Milos Zeman, Spain's Prime Minister Pedro Sanchez, Romania's President Klaus Werner Iohannis, Netherland's Prime Minister Mark Rutte and Greek Prime Minister Alexis Tsipras pose for a family picture ahead of the opening ceremony of the NATO (North Atlantic Treaty Organization) summit, at the NATO headquarters in Brussels, Belgium July 11, 2018. Ludovic Marin/Pool via REUTERS

(First row L-R) German Chancellor Angela Merkel, Belgium's Prime Minister Charles Michel, NATO Secretary General Jens Stoltenberg, U.S. President Donald Trump, Britain's Prime Minister Theresa May (second row L-R) Denmark's Prime Minister Lars Lokke Rasmussen, Norway's Prime Minister Erna Solberg, Poland's President Andrzej Duda, French President Emmanuel Macron, Slovak Republic's President Andrej Kiska (third row) Albania's Prime Minister Edi Rama, Czech Republic President Milos Zeman, Spain's Prime Minister Pedro Sanchez, Romania's President Klaus Werner Iohannis, Netherland's Prime Minister Mark Rutte and Greek Prime Minister Alexis Tsipras pose for a family picture ahead of the opening ceremony of the NATO (North Atlantic Treaty Organization) summit, at the NATO headquarters in Brussels, Belgium July 11, 2018. Ludovic Marin/Pool via REUTERS

(First row L-R) German Chancellor Angela Merkel, Belgium's Prime Minister Charles Michel, NATO Secretary General Jens Stoltenberg, US President Donald Trump, Britain's Prime Minister Theresa May (second row L-R) Denmark's Prime Minister Lars Lokke Rasmussen, Norway's Prime Minister Erna Solberg, Poland's President Andrzej Duda, French President Emmanuel Macron (third row) Albania's Prime Minister Edi Rama, Czech Republic President Milos Zeman and Spain's Prime Minister Pedro Sanchez pose for a family picture ahead of the opening ceremony of the NATO (North Atlantic Treaty Organization) summit, at the NATO headquarters in Brussels, Belgium July 11, 2018. Ludovic Marin/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen is greeted by NATO Secretary General Jens Stoltenberg before a summit of heads of state and government at NATO headquarters in Brussels, Belgium July 11, 2018. Francois Mori/Pool via REUTERS

U.S. President Donald Trump gestures as he speaks with Britain's Prime Minister Theresa May, Belgium's Prime Minister Charles Michel, NATO Secretary General Jens Stoltenberg, Denmark's Prime Minister Lars Lokke Rasmussen and Norway's Prime Minister Erna Solberg during the opening ceremony of the NATO (North Atlantic Treaty Organization) summit, at the NATO headquarters in Brussels, Belgium, July 11, 2018. Ludovic Marin/Pool via REUTERS

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the Alliance's headquarters ahead of the NATO summit in Brussels, Belgium July 11, 2018. REUTERS/Darrin Zammit Lupi

Denmark's Prime Minister Lars Lokke Rasmussen arrives at the Alliance's headquarters ahead of the NATO summit in Brussels, Belgium July 11, 2018. REUTERS/Darrin Zammit Lupi