06:30Out of DoorsMark visits Tswalu in South AfricaBBC Radio Scotland Duration: 1 hour, 30 minutes Sat 21st Sep 2019, 06:30 on BBC Radio Scotland ExtraMark Stephen visits the largest game reserve in South Africa, Tswalu, where he takes a look at what they do and compares and contrasts it to Scottish sporting estates.GenresFactualScience & NatureBrandOut of Doors Source: BBC Online