Complex sentence: Bely Gorod (ru: Белый Город- "White Town") is a part of Moscow which was surrounded by white stone fortification wall which was built in the end of 15th century and demolished in the end of 17th century.
Split into simpler sentences: Bely Gorod ("White Town") is a part of Moscow, Russia. The name comes from the fact that Bely Gorod was surrounded by white stone fortification wall which was built in the end of 15th century and demolished in the end of 17th century.