masterpiece,best quality,illustration,(photorealistic:1.3), conceptual rotating open-air platform elevator, helical corkscrew structure, hollow centre, circular lift platforms 10 meters in diameter, ascend diagonally as the structure rotates, gantry-like walkways jut out from the floors along the way, steep incline, total height of one thousand meters, impressive scale, top angle view, designed by Norman Foster, mountains in background,