WILLMAR—It has been just over a year since the Willmar Destination Playground at Robbins Island Regional Park opened to the cheers of delight from adults and children alike. It is as popular today as it was on its grand opening weekend, with people coming from near and far to spend a few hours at the fully accessible, 19,000-square-foot playground. “The use is probably more than I anticipated,” Gary Mazner, Willmar Public Works superintendent said. “You see bus loads out there