Questions about the Russian space shuttle named Buran.
The Russians built a space shuttle look alike, which only flew once, Buran.
The core difference between the US Shuttle and Buran is the location of the main engines. The US Shuttle carries SSME's on the shuttle itself, into orbit and returns them to earth.
The Buran model does not have major engines on the orbiter itself, rather they are on the core of the Energia booster rocket.