Full coverage: 2016 Rio Olympics
During the Rio Games, sports fans who couldn't make it to Brazil have been watching on TV all around the world.
This is largely due to the work of the Olympic Broadcasting Services, which is chiefly responsible for providing images and sounds, as a service to organizations that hold broadcasting rights.
For more insight into how OBS shapes the public's perception of the Games, our Tracey Holmes talked to the CEO, Yiannis Exarchos.
