Stock photography, photos: Tonga Shrine - Ghana Stock photos of A rainbow over a Tenzug home in the Tonga Whistling Rocks area of the Upper East Region in Ghana, West Africa. Pilgrims come from far and wide to consult the Oracle of Tongo for advice and predictions. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: Ghana, Africa, west Africa, upper east region, sahel, tonga, tenzug, oracle, spiritual, rainbow, whistling rocks