G7 leaders take part in a tree-planting ceremony on the grounds at Ise-Jingu Shrine in the city of Ise on May 26. (Left to right: Italian Prime Minister Matteo Renzi, German Chancellor Angela Merkel, U.S. President Barack Obama, Japanese Prime Minister Shinzo Abe, French President Francois Hollande, U.K. Prime Minister David Cameron, Canadian Prime Minister Justin Trudeau, and European Commission President Jean-Claude Juncker)