Complex sentence: He next visited Brazil to attend the GREAT Campaign, as an ambassador of the 2012 Olympics to the 2016 Rio Olympics, and played beach volleyball to celebrate the connection between the two events., and charity related work.
Split into simpler sentences: He next visited Brazil to attend the GREAT Campaign,. AS ambassador of 2012 Olympics, and in fact the 2016 Olympics is in Rio, therefore he play beach volleyball to connecting the two events., and charity related work.