Between 1917 and 1991 the USSR built hundreds of sanatoriums across its empire. Many of them still survive.
Original source: https://www.wired.com/story/soviet-era-spa-gallery
Between 1917 and 1991 the USSR built hundreds of sanatoriums across its empire. Many of them still survive.
Original source: https://www.wired.com/story/soviet-era-spa-gallery