Leaders of the Group of 20 major economies began arriving on Monday at Rio de Janeiro's Modern Art Museum for their annual summit, bracing for a shift in the global order with the return to power of U.

With leaders from the world's biggest economies converging on Rio de Janeiro for a two-day G20 summit starting Monday, the usually relaxed seaside city is under a tight security blanket.Many locals were planning to leave the city of six million during the summit.

As Brazil gears up to host the G20 leaders summit, here are 5 things that will be at the top of the South American nation’s agenda

Leaders of the Group of 20 major economies were set to meet on Monday in Brazil for their annual summit, bracing for a shift in the global order with the return to power of U.S. president-elect Donald Trump.

With Brazil preparing to host the Group of 20 summit, it appears unlikely the leading rich and developing nations will sign on to a meaningful declaration regarding geopolitics: The meeting Monday and Tuesday in Rio de Janeiro is overshadowed by two major wars and Donald Trump's recent election victory.

What should Ukraine expect from the G20 summit in Rio de Janeiro? Could Brazil and China use the platform for their "peace plan," and will the Russian president attend the meeting? Read in the RBC-Ukraine article.