(Second roaw from L) Estonia's Prime Minister Juri Ratas France's President Emmanuel Macron, Germany's Chancellor Angela Merkel,(back row from L) Montenegro's Prime Minister Dusko Markovic, Dutch Prime Minister Mark Rutte, Norway's Prime Minister Erna Solberg, Poland's President Andrzej Duda look at Turkey's President Tayyip Erdogan (front) walking past them during a family photo as part of the NATO summit at the Grove hotel in Watford, northeast of London on December 4, 2019. (Photo by CHRISTIAN HARTMANN / POOL / AFP)