Buenos Aires (i.e. mayor) in 1996; previously, the mayor was directly appointed by the President of the Republic. Buenos Aires is considered an 'alpha city' by the study GaWC5. Buenos Aires' quality of life was ranked 91st in the world, being one of the best in Latin America in 2018. It is the most visited city in South America, and the second-most visited city of Latin America (behind Mexico City). Buenos Aires is a top tourist destination, and is known for its preserved Eclectic European architecture and rich cultural life. Buenos Aires held the 1st Pan American Games in 1951 as well
2018 G20 Buenos Aires summit with improvised explosive devices. After those events, the United Kingdom government lowered its terrorism alert for Buenos Aires from "very likely" to "likely". 2018 G20 Buenos Aires summit "" The 2018 G20 Buenos Aires summit, was the thirteenth meeting of Group of Twenty (G20), which was held on 30 November and 1 December 2018 in the city of Buenos Aires, Argentina. It was the first G20 summit to be hosted in South America. President Mauricio Macri of Argentina assumed the one-year G20 presidency on 30 November 2017, during an official ceremony at the Kirchner Cultural Centre in Buenos Aires. President