Two days before the the Rio 2016 Olympic Games opening ceremony, I took a trip to Rocinha, to get an insight into what life is like inside the favelas. The tour was led by Obi Wan, 20, who is an extraordinary role model for the community, and incredibly eloquent in his reflections on the situation of the favela community in Rio. I dedicated the film to him, its star. If ever you visit Rio, stay at his guest house. Here's the film....