create a lifelike render of this large roof structure set in a rural country environment maintain all original building lines proportions roof geometry and structural features exactly as shown in the image the building is 50 m wide by 60 m long and fully open at the sides to function as a covered horse arena under the roof generate a realistic sand riding surface with visible texture and depth add several horse jumps spaced naturally across the arena for context surround the structure with a rural landscape including grass paddocks trees and open countryside use natural daylight soft shadows and realistic materials while keeping the building design true to the original image