Complex sentence: In the 1970s, the Tide Cove was drained and turned to a Sha Tin New Town, the Shing Mun River was extended through a 7 km long, 200 m wide artificial channel in the middle of the area to flow into Tolo Harbour.
Split into simpler sentences: In the 1970s, the Tide Cove was drained and turned to Sha Tin New Town. The river was extended through a 7 km long, 200 m wide artificial channel in the middle of the area to flow into Tolo Harbour.