Men Silhouettes Furnace at Night Cityscape, Sparks Are Flying. Casting Workshop. Workers in Safety Clothes, Gloves, Helmets and Screens Are Doing Show For Tourists at Festival of High Temperatures in Wroclaw City, Poland. the Men Are Holding a Ladle Liquid Iron is Pouring Out. Tourists Are Watching the Festival on a Square Outdoors. Preparation of the Casting Forms, Molds. Furnaces For Clay and Enamel Burning. Casting of Iron Into the Molds. Tour to Wroclaw, Tourism in Poland