FEAST OF KING CASIMIR — 7th Historical and Artistic Workshops. On Friday, July 4, from 6:00 PM, the Museum of Ancient Mazovian Metallurgy in Pruszków and Kreisjugendring Esslingen e.V. invite you to Potulicki Park for an open evening of the 7th Historical and Artistic Workshops for children, “Feast of King Casimir.” A range of outdoor attractions has been prepared for young (and slightly older…