Complex sentence: The Tian-e-Zhou Oxbow Nature Reserve is an area of wetland in the Yangtze basin near Shishou city.Inside the reserve is the Tian'e-Zhou lake which was an intended sanctuary for the Baiji (Yangtze River Dolphin) and is currently holding 28 Finless Porpoises.
Split into simpler sentences: The Tian-e-Zhou Oxbow Nature Reserve is an area of wetland in the Yangtze basin near Shishou city. The nature reserve was an intended sanctuary for the Baiji (Yangtze River Dolphin) and is currently holding 28 Finless Porpoises.