German Chancellor Angela Merkel, Luxembourg's Prime Minister Xavier Bettel, Albanian prime minister Edi Rama, French President Emmanuel Macron, Lithuanian President Dalia Grybauskaite, Dutch Prime Minister Mark Rutte and Hungarian Prime Minister Viktor Orban (from L to R) talk during air show at the handover ceremony of the new NATO headquarters during a one-day NATO Summit, in Brussels, Belgium, May 25, 2017. (Xinhua/Ye Pingfan)
