Protesters in Rio angry ahead of the opening ceremony

An Olympic torch bearer runs past the crowds as the Olympic flame is paraded through Rio de Janeiro on August 3, 2016 ahead of the Rio 2016 Olympic Games. The Olympic flame landed by boat in Rio de Janeiro to a welcome committee of samba dancers, cheering crowds and small protests ahead of the opening ceremony. / AFP PHOTO / YASUYOSHI CHIBA

The Olympic flame wound its way around Rio de Janeiro's iconic landmarks on Friday as protesters unleashed a fresh blast of anger ahead of the opening ceremony of the trouble-plagued sporting spectacle.

The carnival capital of the world is hoping Friday's extravaganza at the Maracana Stadium will draw a line under a turbulent seven-year build-up dogged by recession, rising crime and doping scandals.