Rio 2016: A looks at the city's Olympic hubs
The Olympic Games are getting under way with events taking place in four main hubs across Rio.
Brazil correspondent Julia Carneiro reports on the geography of the city - and how far apart the venues are.
The Olympic Games are getting under way with events taking place in four main hubs across Rio.
Brazil correspondent Julia Carneiro reports on the geography of the city - and how far apart the venues are.