World leaders were welcomed to the Colon theatre for a gala and an official dinner hosted by Argentine President Mauricio Macri during the G20 Summit in Buenos Aires on Friday. Macri and his wife, Juliana Awada, can be seen greeting French President Emmanuel Macron and his wife Brigitte, US President Donald Trump and his wife Melania, and Russian President Vladimir Putin, among other leaders... Еще. They all later posed on the steps of the theatre for a group photograph. The G20 is an international forum where governments and central bank governors from 20 major economies give their opinions on the global situation. Members include 19 individual countries: Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Mexico, Russia, Saudi Arabia, South Africa, South Korea, Turkey, the United Kingdom and the United States, along with the European Union (EU).