My favourite place in London is London Zoo. It is the world's __A__ scientific zoo. It __B__ in 1828. At that time it housed a collection of exotic animals that were studied by scientists. Nowadays the collection is even __C__. In the African section you can come face to face with some of Africa's most unusual animals including zebras and hunting dogs. Make sure you __D__ feeding time at the Penguin section. Find out more about these popular creatures from the zoo's keepers. With over 12,000 animals to see every visitor enjoys __E__ the tour of the Zoo.