The Falun Mine used to be considered the treasure trove of Sweden. It was not gold or silver that the people were after there, but copper, a valuable material that was used for everything from cooking supplies to religious items. The mine was started around the ninth century, allegedly after a goat pointed locals to it by one day coming home with red material on its fur. The metals found there made the area rich and prosperous, and Falun grew into one of Sweden’s largest and most influential cities. From…