Greek Prime Minister Kyriakos Mitsotakis attends the first-day meeting of the EU spring summit, March 25, 2021. EU leaders met via video link on Thursday to start the two-day EU spring summit. (European Union/Handout via Xinhua)

Portuguese Prime Minister Antonio Costa attends the first-day meeting of the EU spring summit, March 25, 2021. EU leaders met via video link on Thursday to start the two-day EU spring summit. (European Union/Handout via Xinhua)

Romanian President Klaus Iohannis attends the first-day meeting of the EU spring summit, March 25, 2021. EU leaders met via video link on Thursday to start the two-day EU spring summit. (European Union/Handout via Xinhua)

Spanish Prime Minister Pedro Sanchez attends the first-day meeting of the EU spring summit, March 25, 2021. EU leaders met via video link on Thursday to start the two-day EU spring summit. (European Union/Handout via Xinhua)

Italian Prime Minister Mario Draghi attends the first-day meeting of the EU spring summit, March 25, 2021. EU leaders met via video link on Thursday to start the two-day EU spring summit. (European Union/Handout via Xinhua)

German Chancellor Angela Merkel attends the first-day meeting of the EU spring summit, March 25, 2021. EU leaders met via video link on Thursday to start the two-day EU spring summit. (European Union/Handout via Xinhua)

Austrian Chancellor Sebastian Kurz attends the first-day meeting of the EU spring summit, March 25, 2021. EU leaders met via video link on Thursday to start the two-day EU spring summit. (European Union/Handout via Xinhua)

European Commission President Ursula von der Leyen (L) and European Council President Charles Michel attend a press conference after the first-day meeting of the EU spring summit in Brussels, Belgium, March 25, 2021. EU leaders met via video link on Thursday to start the two-day EU spring summit. (European Union/Handout via Xinhua)