The limestone inside this famed quarry is believed to have formed around 65 million years ago and is heralded as a unique natural wonder. All just a bike ride away from the center of Malmö. The quarry is home to thousands of different plant and animal species. Beginning in the mid-1800s, it was the site of a cement factory that was once the backbone of the Malmö economy, until the last mining explosion in 1993. Only a few remanents of the site’s past mining activities can be found as many…