Create an image of a bustling city skyline illuminated by vibrant colors of cultural festivals taking place in the sky, with hot air balloons and fireworks soaring high above the skyscrapers.

Imagine a bustling metropolitan skyline infused with the lively energy of a cultural festival. Skyscrapers of different heights and designs define the urban landscape, their windows shining like countless stars against the twilight sky. High above these architectural giants, hot air balloons of varied shapes, sizes and colors float, adding a whimsical charm to the scene. Celebratory fireworks burst in the sky, releasing vibrant hues that bathe the city in a riot of colors. These spectacular aerial displays reflect the essence of festive celebrations, illuminating the night with their radiant glow.