British Prime Minister Theresa May (L) is greeted by European Commission President Jean-Claude Juncker at group photo session during an EU Summit at its headquarters in Brussels, Belgium, Oct. 20, 2016. (Xinhua/Ye Pingfan)
British Prime Minister Theresa May (L) is greeted by European Commission President Jean-Claude Juncker at group photo session during an EU Summit at its headquarters in Brussels, Belgium, Oct. 20, 2016. (Xinhua/Ye Pingfan)