we met up with two of its teams in ncandu in the east of the country, and kamieskroon in the west.ombine harvesters. -- >> no plantations. no crops. no combine harvesters. 88 % of land in south africa is not suitable for agriculture. it's too rugged, too dry, and too uneven. but erywhere you look, you see life in abundance. the country boasts rich biodiversity. but how best to preserve it? in south africa, environmental protection is chronically underfinanced. that's where candice stevens comes in. she's a tax specialist at the ngo wilderness foundation africa. she wants to encourage landowners to turn their holdings into nature reserves. the government offers a tax incentive to do so. candice: what you are doing here is looking after south africa's natural wealth in the public good. >> yes. candice: and so there is that unique tax incentive to benefit that biodiversity. so even as you plough many time effort and energy into looking after this and farmers might think you don't get anything out there is a special tax incentive, just to get a little thing back. >> this man has alread