A photo-realistic rendering of a modern rooftop garden with a serene atmosphere. the image features a concrete structure with a wooden door, surrounded by lush greenery and vibrant purple bougainvillea flowers. on the left side of the image, there is a tall, slender tree with purple flowers, adding a touch of nature to the scene. the structure is situated in the middle of the garden, with wooden benches on either side, providing a comfortable seating area. in the background, a city skyline can be seen, with tall buildings and a clear blue sky. the garden is filled with white pebbles, creating a natural and inviting atmosphere.