the picturesque shore of the african river. steep limestone slopes

rock terrain cliff geology formation tree tourism valley river picturesque shore african steep limestone slopes boulders red-brown water green vegetation rocks madagascar manambolo riverbank bank boulders stone karst river limestone ltexture nature geological formation cliffs slope excursion manambolo madagascar riverbed water reddish steep vegetation clouds sandstone rocky rock sheer exotic picturesque shore orange calm andscape green geology geologic coastline exotic travel eroded ecology coastal coast cliff canyon brown bekopaka beautiful africa