Portrait of Sandra Bullock as Katara, Avatar the Last Airbender, Legend of Korra, beautiful, 4k oil on linen by wlop, artgerm, andrei riabovitchev, nuri iyem, james gurney, james jean, highly detailed, soft lighting 8k resolution, intricate, elegant, highly detailed, digital painting, artstation, concept art, smooth, sharp focus, illustration, art by artgerm and Ruan Jia and Rembrandt and greg rutkowski and alphonse mucha and andrei riabovitchev and craig mullins