Reverse image lookup has got a lot better, apparently it's
View of a horseman near Qunu, Transkei, South Africa, 1988. During the apartheid era, Transkei was one of several government-designated 'homelands.' It is now located in the Eastern Cape Province which remains one of the most rural and poorest of the 9 provinces. It was Nelson Mandela's ancestral homeland and birthplace.
His funeral had been somewhere in the same region a couple of months before your post (but still quite a long gap)