Complex sentence: Beijing Jockey Club (BJC), located in the TongZhou District of Beijing and covering an area of 1.6 square kilometres, was one of the largest international standard horse-racing clubs in Asia.
Split into simpler sentences: Beijing Jockey Club (BJC) locates in the TongZhou District of Beijing, covering an area of 1.6 square kilometres. It was one of the biggest international standard horse-racing clubs in Asia.