 Partnership for the Delaware Estuary and the City of Wilmington unveil a new outdoor classroom at Cool Spring Park. Delaware Public Media's Rachel Sawicki has more. The classroom at Cool Spring Park includes an amphitheater made of recycled curbstones and newly planted native plants and trees, creating a full sensory learning experience. Several schools are nearby, including the William C. Lewis Dual Language Elementary School and Padua and Ursuline Academies,