Complex sentence: Apart from those open spaces, there are the two large reservoirs-King George V and the William Girling collectively known as the Chingford Reservoirs situated alongside the River Lea in the east of the Borough.
Split into simpler sentences: Apart from those open spaces, there are the two large reservoirs. The King George V and the William Girling collectively known as the Chingford Reservoirs situated alongside the River Lea in the east of the Borough.