(FromL) US First Lady Melania Trump, US President Donald Trump, German Chancellor Angela Merkel, French President Emmanuel Macron and his wife Brigitte Macron and Russian President Vladimir Putin attend a ceremony at the Arc de Triomphe in Paris on November 11, 2018 as part of commemorations marking the 100th anniversary of the 11 November 1918 armistice, ending World War I. (Photo by Francois Mori / POOL / AFP)