Migrants trying to enter Greece from the Pazarkule border gate, Edirne, Turkey, throw stones at Greek riot police guarding the border gate in Kastanies village, Saturday, Feb. 29, 2020. Refugees and migrants massed on the Turkish-Greek land border played a cat-and-mouse game with Greek authorities through the night and into Saturday, with border patrols using tear gas and stun grenades to stop efforts by groups of people to cross into Greece. (AP Photo/Emrah Gurel)