Feature: Britons bid farewell to EU with mixed feelings

The color of the British national flag is projected onto the wall of 10 Downing Street in London, Britain, on Jan. 31, 2020. Britain officially left the European Union (EU) at 11 p.m. (2300 GMT) Friday, putting an end to its 47-year-long membership of the world's largest trading bloc. (Xinhua/Han Yan)