krakow, poland - 13 december 2015 : salt-crystal chandelier in the chapel of st. kinga is located 101 meters underground and its

101 2015 ages architecture area cave ceiling chamber chandelier chapel church cracow crystal curve december deep depth eastern europe floor handmade heritage historical history kinga krakow levels located luster lustre medieval meter meters middle mine museum old place poland polish railing renaissance rock saint salt salty shaft stage statue structure surrounding underground unesco vault visitor wieliczka