Postcard: 6 Undergroundby Lola Akinmadein Europeon Posted on August 8, 2008December 11, 2017 TweetPinShareShareWhile I’m traveling for two weeks, here are a couple favorite shots for the postcard series. Well, if only it looked like this. This shot is an underground hall of the Wieliczka Salt Mines in Poland. Related TweetPinShareShare