the tsingy rouge red tsingy is a stone formation of red laterite formed by erosion of the irodo river in the region of diana in

africa analamera chalk cobblestone countryside cretaceous day daylight daytime diana eroded erosion exterior exteriors formation formations formed geology indian irodo land landscape landscapes laterite lime limestone madagascar nature northern ocean outdoor photo photos red region river rock rocks rocky rouge sand sandstone scenery scenic shape shot stone topography tsingy