Leaders gather for the Asia-Europe Meeting (ASEM) summit in Ulaanbaatar
European Council President Donald Tusk, Mongolian President Tsakhiagiin Elbegdorj, German Chancellor Angela Merkel and other heads of delegations watch traditional nomadic Naadam festival performance during the Asia-Europe Meeting (ASEM) summit just outside Ulaanbaatar, Mongolia, July 15, 2016. REUTERS/Damir Sagolj