Wieliczka - The Salt of the Earth, "I watched with great pleasure. This is undoubtedly a gem among contemporary documentary films. Indeed, the work combines the reliability of information about scientific facts in geology (including tectonics, mineralogy), history (almost 1000 years of history of the region and 700 year history of the mine) and culture (especially art), with breathtaking scenery of Wieliczka's underground natural magic and historical relics created by generations of miners, the passage of time counted in centuries, the landscape forming the background and subject of the narrative with the inclusion of an incomparable actor.