Poland's military stand at attention as President Andrzej Duda welcomes Slovakia's President Zuzana Caputova for a two-day summit with the presidents of Hungary and The Czech Republic marking 30 years of the Visegrad Group, an informal body of political and economic cooperation in the region, at the presidential residence in the Hel Peninsula, Poland, on Tuesday, Feb. 9, 2021.(Jakub Szymczuk / KPRP via AP )

Poland's President Andrzej Duda chats to welcome Hungary's President Janos Ader for a two-day summit with the presidents of Hungary and The Czech Republic marking 30 years of the Visegrad Group, an informal body of political and economic cooperation in the region, at the presidential residence in the Hel Peninsula, Poland, on Tuesday, Feb. 9, 2021.(Jakub Szymczuk / KPRP via AP )

Poland's President Andrzej Duda touches ellbows with the Czech President Milos Zeman to greet him for for a two-day summit with the presidents of Hungary and The Czech Republic marking 30 years of the Visegrad Group, an informal body of political and economic cooperation in the region, at the presidential residence in the Hel Peninsula, Poland, on Tuesday, Feb. 9, 2021.(Jakub Szymczuk / KPRP via AP )