enhance this 3d perspective of a steel grandstand structure overlooking a tennis court add a bright sunny sky with clear lighting and natural shadows populate the scene with many people in the stands watching the match with realistic poses gestures and variations in clothing on the tennis court include two or four tennis players actively playing mid action with rackets dynamic movement and appropriate athletic clothing add subtle details like tennis balls in play shadow direction and court texture keep the steel structure crisp and realistic with accurate reflections and shadows add light environmental details such as soft ground shadows subtle background elements and a vibrant energetic atmosphere typical of an outdoor sports event maintain the perspective and proportions of the original 3d view
