Roof-top open-air infinity pool image

Quick answer：

This refers to a visual representation of an infinity pool located on the roof of a building, which is open to the sky. Infinity pools are designed to give the illusion that the water extends to the horizon, creating a seamless blend between the pool and the landscape beyond. They are often found in luxury resorts and high-end residential complexes. The image would typically showcase the pool's unique architectural design and the panoramic view it offers.