The Gipsy-1 (Russian: Гипсы-1, ˈɡiːpsɨ) is a system of 2680 m long interconnected aditsinKamsko-Ustyinsky District, Tatarstan, Russia, where gypsum was mined in 1930-1950s. It is an only mine in the nearby tht can be visited by outdoor tourists, since other similar were buried or flooded.[1]