backdrop

taustakulissi, taustakangas A decorated cloth hung at the back of a stage.
The setting or background of a historical event.

The president spoke outside the brick exterior of the firehouse for Ladder Company 10 and Engine Company 10, against the backdrop of a 56-foot-long bronze bas-relief depicting the towers in flames. — http://www.nytimes.com/2006/09/11/nyregion/nyregionspecial3/11bush.html?hp&ex=1158033600&en=e468f88da52557ed&ei=5094&partner=homepage New York Times

Animated, seemingly varied crowd movement will place a game in the early 1990s, while static crowd backdrops and blocky, sprite-based athletes tend to point toward technology used in the 1980s.

a brilliant sunset backdropping the famous skyline