Complex sentence: Master Peter Gushev from the former Soviet Union laid a solid foundation of classical ballet for the NBC., headquartered in Beijing, it works fom the Tianqiao Theater, this was specifically built for NBC in 1959, and it was renovated in 2001.
Split into simpler sentences: Master Peter Gushev from the former Soviet Union laid a solid foundation of classical ballet for the NBC. The Tianqiao Theater was specifically built for NBC in 1959, and it was renovated in 2001.