Metallurgists Silhouettes Are Walking Around Furnace at Night, Casting the Metal, Casting Workshop Outdoors. Sparks Light the Place. Workers Are Doing Show For Tourists at Festival of High Temperatures in Wroclaw City, Poland. Casting of Iron Into the Molds. Tourists Are Watching the Festival on a Street Outdoors. Preparation of the Casting Forms, Molds. Furnaces For Clay and Enamel Burning. Glassworks. Casting of Iron Into the Molds. Workers in Safety Clothes, Gloves, Helmets and Screens. Tour to Wroclaw, Tourism in Poland