One of the largest cities in South America, Rio de Janeiro has seen a number of dimensions of changes in society. 

On the down side, there might be unsettled discomfort with a senses of violence in the atmosphere in regions with the circumstances. 

In the news today, May 18th 2015, an apartment underwent some kind of explosion which news reports appear to point to as a gas explosion, within the past 2 or 3 days, possibly even recent to earlier today.

Rio is slated to host 2016 Summer Olympics....
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