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.

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

President Yoon Suk Yeol arrived in Rio de Janeiro, Brazil, on Sunday to attend the Group of 20 (G20) summit, a multilateral forum representing the world's major economies.