Twin artists 'Os Gemeos' hold exhibition in Sao Paulo

Updated: 2014-07-28 20:38

Twin artists 'Os Gemeos' hold exhibition in Sao Paulo

A boy uses a mobile phone to take a picture of an artwork by Brazilian artists and twin brothers, who go by the name "Os Gemeos", during their exhibition "Opera of the Moon" in Sao Paulo July 25, 2014. [Photo/Agencies]