Litishijie,A futuristic cityscape with buildings shaped with futuristic buildings and flying cars. At the center is a circular,multi-level architectural structure that houses various holographic virtual reality scenes,such as sports events with people playing basketball or a swimming pool on green grass. In the foreground,there is a sky garden overlooking blue skies and white clouds. The scene has a bright,cheerful atmosphere,In the style of a cute 3D Pixar cartoon,with a colorful background,soft,smooth lighting,vibrant colors,and soft pastel tones.light blue sky background,white clouds,