Brasil has spent hundreds of millions to 'pacify' its many notorious Rio favelas/slums for the 2014 World Cup and 2016 Olympics.
Now many Eurozone ex-pats are moving into the formerly gang infested areas...with great views...setting down roots...gentrifying the war zones...and boosting land and home prices.
http://www.spiegel.de/international/world/expats-move-in-as-rio-favelas-improve-a-900626.html