Masoud Pezeshkian says subsidence is also ‘a disaster’ in city of 10 million, which consumes quarter of Iran’s water Masoud Pezeshkian says subsidence is also ‘a disaster’ in city of 10 million, which consumes quarter of Iran’s water Iran’s president has claimed Iran has no choice but to move its capital from Tehran to the south of the country due to the city’s over-expansion, the lack of adequate water supplies and the growing threat of subsidence. Masoud Pezeshkian said on Thursday that he