<p>In this photo taken June 13, 2012, Avelino Chavez, wearing his signature Superman costume, waves and greets riot police walking in formation toward a plaza where a protest is expected to take place in downtown Lima, Peru. Chavez, 52, took on the Superman persona 15 years ago, when he lost his job as a security guard, and says he has had work ever since. Chavez also says he only earns about $160 US dollars per month, but that he has the strength of a superhero. Chave…

June 18, 2012