US President Barack Obama is set to deliver a speech in Rio de Janeiro, hailing the shared values of Brazil and the US.
Mr Obama, on a five-day trip to Latin America, is also due to visit the city's Christ statue and a shantytown.
The US president has already held talks with his Brazilian counterpart, Dilma Rousseff, focusing on trade.
Mr Obama, whose visit is being partly overshadowed by events in Libya, is to travel on to Chile and El Salvador.
http://www.bbc.co.uk/news/world-latin-america-12799180
Note: 20 March 2011 Last updated at 13:12 GMT