Interior of Ali Sadr Cave, Hamadan, Hamedan, Persia, Iran, Asia

ali asia asian cave cave caves chalk colored colorful coloured colourful dripstone dripstones geologic geological geologically geology hamadan hamedan illuminated illumination illuminations indoor indoors inside interior interior iran iranian light lighting lights lime limestone lit nobody of persia persian photo rock sadr stalactite stalactites stone stones stony up view views yellow