Xinhua

A vehicle passes by the satellite aerials zone of the International Broadcast Center (IBC) in Beijing, China, July 29, 2008. It's said that high definition signals will be first-ever used for TV relays for all 28 events of Beijing 2008 Olympic Games. BOB will produce live TV signals of 5,400 hours for right-holding broadcasters and it's estimated that more than four billion viewers will enjoy the olympic competition through TV broadcasts in 2008.