Tunnels And Caves In The Kaymakli Underground City, Kaymakli, Turkey

christians archaeology cave cave city cave dwelling central anatolia citadel of kaymakli doorway excavation history house illumination kaymakli kaymakli underground city light man made cave rock rock formation tourist attraction travel destination troglodyte tunnel turkey underground underground city volcanic rock city dwelling central anatolia citadel man made formation tourist attraction travel destination volcanic photography color image vertical indoors no people middle east bright light illuminated national landmark famous place geology discovery archeological site arch boulder nobody colour image colour color inside interior tourist destination no one no one historical historic heritage cultural culture arches arched archaeological archaeological site archaeological sites