Create an image of an ancient, overgrown city floating in the clouds, with whimsical, oversized hot air balloons transporting travelers through the surreal landscapes of this forgotten world.

Envision an age-old metropolis, covered in creeping vines and lush plant life, levitating amidst the fluffy clouds. There are whimsically large hot air balloons, vivid in color and adorned with intricate patterns, transporting wayfarers through the uncanny landscapes of this forgotten civilization. People from different descents such as Black, Middle-Eastern, South Asian, and Hispanic can be observed, each busy with their roles, embodying a surreal rendition of life suspended in the sky.