Polonîya Mazûvanîya Serok Trump Dike

President Donald Trump delivers a speech at Krasinski Square at the Royal Castle, July 6, 2017, in Warsaw, Poland.

U.S. President Donald Trump, left, waves along with Poland's President Andrzej Duda, as U.S. First Lady Melania Trump, left and Poland's first lady Agata Kornhauser-Duda, right, stand by, in Krasinski Square, in Warsaw, July 6, 2017.

People listen to U.S. President Donald Trump's public speech at Krasinski Square, in Warsaw, July 6, 2017.

First Lady Melania Trump, left, meets with Poland's First Lady Agata Kornhauser-Dudain, at the Belvedere palace in Warsaw, July 6, 2017.

U.S. President Donald Trump and Polish President Andrzej Duda listen to questions from journalists during a joint news conference, in Warsaw, July 6, 2017.

Demonstrators protest against the visit of U.S. President Donald Trump in Warsaw, July 6, 2017.

People hold images of Polish President Andrzej Duda and U.S. President Donald Trump during Trump's public speech at Krasinski Square, in Warsaw, July 6, 2017.

U.S President Donald Trump and First Lady Melania Trump stand in front of the Warsaw Uprising Monument at Krasinski Square, July 6, 2017.

U.S. First Lady Melania Trump, center left, sits with children during a visit at the Copernicus Science Center, an interactive science museum geared heavily to young people, in Warsaw, Poland, July, 6, 2017.