Generate an overhead view of a medieval fantasy city bustling with life and lights, as if the camera is gradually zooming in on the scene from above. The main castle, beautiful and white, stands prominently amidst the cityscape, with flags waving against the backdrop of the bright blue sky of daytime. The sun shines brilliantly in one corner of the image, casting warm light over the city. Streets are alive with activity, filled with bustling markets, winding alleys, and bustling plazas. The scene should evoke a sense of enchantment and wonder, inviting viewers to explore the intricate details of this vibrant fantasy city.