Pictures: Longleat Safari Park celebrates 50 yearsPublished30 March 2016Image caption, Longleat Safari Park opened in 1966 and was the first safari to open outside of Africa. It changed the way animals were kept in zoos. For the first time they were able to live in large enclosures and interact more naturally with each other. (Longleat Safari Park)Image caption, Henry Lord Bath came up with the idea of a safari park where people could drive through a pride of lions in their own cars. He was personally on hand to greet motorists and collect entry fees on the first day it opened. (Longleat Safari Park)Image caption, When the safari park first opened, people were very worried about how safe it was to have big cats running wild in the countryside. (Longleat Safari Park)Image caption, Despite these worries, the idea of a drive-through wildlife park proved popular with visitors. (Longleat Safari Park)Image caption, The park has now been running for 50 years and millions of people have visited it in that time. (Longleat Safari Park)Image caption, As well as big cats, the safari now has lots of different types of animals like gorillas, giraffes and this ring-tailed lemur. (Longleat Safari Park)More on this storyRare rhino born at safari park. Video, 00:01:24Rare rhino born at safari parkPublished13 January 20161:24Bears enjoy balloon chase at Dutch zoo. Video, 00:00:28Bears enjoy balloon chase at Dutch zooPublished12 March 20160:28Safari park builds elephant swimming pool. Video, 00:00:34Safari park builds elephant swimming poolPublished15 July 20150:34The family living in a safari park. Video, 00:01:18The family living in a safari parkPublished28 August 20151:18