change the color of the ceiling above the hall to white change the color of the roof structure to white change the color of the seats to blue change the color of the handball goals to red and white stripes change the goal netting to white add light gray ball stop netting behind the goals extending up to the roof structure change the color of the tennis court lines to green the handball lines to purple and the volleyball lines to gray ral 7040 change the color of the wall cladding while maintaining the existing dimensions and layout so that the upper half is light sand or beige and the lower half is a natural wood color slightly darker than the existing one
