European Commission President Ursula von der Leyen (R), European Parliament President David Sassoli (C) and President of the European Council Charles Michel attend a press conference on the future of Europe at the Parlamentarium in Brussels, Belgium, Jan. 31, 2020. The United Kingdom's (UK) withdrawal agreement will enter into force upon the UK's exit from the EU on Friday night, ending the country's 47-year membership. (Xinhua/Zheng Huansong)