Colombo Zoo, also known as Dehiwela Zoo, is located in the southern city of Colombo. It is Sri Lanka's National Zoo and the largest zoo. It has more than 3,000 animals all over the world. Tropical animals are the most abundant in the zoo. Trees are shaded and flowers are in full bloom. In addition to general viewing, visitors can also ride on elephants to watch orangutans, African monkeys, Indian tigers, peacocks and other foreign birds and aquatic animals. The park has an elephant and seal exhibition hall that opens regularly to the outside world.