Santa Claus visits children of Rio slum Santa Claus made a special visit to the children of one of Rio's biggest slums, as part of a initiative spearheaded by police specially trained for the favelas. The Complexo do Alemao -- in fact a group of favelas in northern Rio -- was the target in 2010 of a so-called pacification campaign which is aiming to make the city safer ahead of the World Cup in 2014 and Olympic Games in 2016. Images and soundbites.