Underground cities Homepage › Forums › History › Underground cities Tagged: Ancient City, City, hydro, Iran, Persia, Underground, Water system This topic has 2 replies, 2 voices, and was last updated 3 years, 6 months ago by Hans Hellinger. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts May 31, 2021 at 5:25 pm #2522 Hans HellingerModerator This one is so cool, I’d love to visit. The ancient water filtration system is as interesting as the city itself. https://www.ancient-origins.net/ancient-places-asia/incredible-subterranean-city-kish-001777 May 31, 2021 at 7:55 pm #2523 ThaerisParticipant That’s freakin’ fantastic! I wish the articles covered more details on these subjects. Reminds me a lot of my thread on the old board, “Images of the Underworld.” June 3, 2021 at 3:31 pm #2525 Hans HellingerModerator Yes, indeed. I need to copy those posts over here Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In