Complex sentence: The Saigon Zoo and Botanical Garden is one of the oldest zoos in the world and home to many rare orchids, ornamental plants and over a hundred species of mammals, reptiles and birds.
Split into simpler sentences: The Saigon Zoo and Botanical Garden is one of the oldest zoos in the world. It is home to many rare orchids, ornamental plants and over a hundred species of mammals, reptiles and birds.