Windmills - The 6th Annual International Dance Festival - Featuring International folk dance performances by dancers from the Washington - Baltimore area. April 15th, doors open at 12:00pm. Ticket Price $20, children under 12 free. Get tickets at Evenbrite.com or at the door. Food and drinks available for purchase. Parking at the BioPark One garage at 1 No Poppleton and Baltimore Street. International Flok Dance Workshop open to all beginning at 6:00 pm.