Russia 🇷🇺 @Russia
In the north-eastern part of Kungur city in #Perm region🇷🇺, on the bank of the Sylva #river, the depth of the ice hides one of the largest gypsum #caves in #Russia - Kungur #IceCave. The total length of its passages is estimated at 5⃣7⃣0⃣0⃣metres. 🔗https://t.co/wDy8hGAopp https://t.co/RiQxqRjmVd — PolitiTweet.org