Looks like 99% sure for Tehran. Can u imagine trying to Relocate Los Angeles? lol.
WTF will they move the city TO? Not like the rest of the country is swimming. Will they hire the Chinese to build an Insta-City on a 2/3 Contract? Build it Fast/Cheap/Good, pick 2. lol.
https://www.wired.com/story/why-tehran-is-running-out-of-water-iran-climate-change-drought-extreme-weather/
Why Tehran Is Running Out of Water
RE