 
 <prompt> Wetin be di big object wey go make sense to carry go di big rec area? Based on di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Ann Arbor "Tree Town" nickname come from the plenty trees wey dey for parks and residential areas. The city get pass 50,000 trees for streets and another 50,000 for parks. Lately, the emerald ash borer don destroy many of the city's 10,500 ash trees. The city get 157 parks wey range from small green spots to big recreation areas. Some big city parks and university park dey near Huron River. Fuller Recreation Area, wey dey near University Hospital complex, get sports fields, pedestrian and bike paths, and swimming pools. Nichols Arboretum, wey University of Michigan get, na 123-acre arboretum wey get plenty plant and tree species. E dey for city east side, near university Central Campus. Across Huron River for university North Campus dey university Matthaei Botanical Gardens, wey get 300 acres of gardens and big tropical conservatory. 