krakow, poland - 13 december 2015 :the chapel of st. kinga is located 101 meters underground, wieliczka salt mineon 13 december 20

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