Kokino, an ancient megalithic observatory, North Macedonia

cloud sky atmosphere ecoregion plant mountain natural landscape afterglow sunlight bedrock body of water sunrise sunset horizon dusk landscape mountainous landforms formation wood red sky at morning outcrop hill mountain range geological phenomenon volcanic rock tree dawn astronomical object fell evening plateau badlands massif rock ridge coast ocean winter cumulus summit sun aeolian landform igneous rock soil tundra klippe headland sea rubble night