When you think of the 2016 Olympic Games in Rio de Janeiro, what sort of edifice springs to mind?. If you said "giant solar-powered waterfall", Swiss architecture firm RAFAA might have a job for you - particularly if you happen to have a filing cabinet filled with names of high-powered Brazilian officials.
The Olympics have left us with plenty of memorable structures, from the Palaestra built at Olympia in the third century BC to the Birdcage stadium built for the 2008 games in Beijing.