British Prime Minister Theresa May (2nd R) walks with French President Emmanuel Macron (2nd L) at the Thiepval Memorial in Thiepval, northern France, on Nov. 9, 2018. French President Emmanuel Macron and visiting British Prime Minister Theresa May on Friday paid homage to soldiers who died in the Battle of Somme during World War I in northern France. (Xinhua/Han Yan)