the ancient hittite tunnels built with stones in alacahoyuk, corum turkey. secret road and passage

alaca alacahapara alacahoyuk alacahuyuk ancient antique archaeological archaeology archeology architecture area art asect attraction city civilisation civilization corum culture dig empire excavation famous gate hafrac14 hapara heritage historic historical history hitit hititler hittite huyuk king old orum outdoor relief rock ruin sculpture statue stone temple tomb tourism tourist tunnel turkey wall yafrac14