Impressive salt mines in the heart of Catalonia

“The Cardona salt mine is a wonder of nature, the stalactites and stalagmites are extraordinary and a geological rarity, a copy of its limestone sisters, with tunnels and caves that leave us speechless”

“It dates back to the Neolithic period, in 987 the Count of Barcelona created the viscounty with the right to exploit it, although on Thursdays it was for the local inhabitants, and in the 20th century, it reached a depth of 1308 meters”