A photo-realistic rendering of a modern, minimalist building located on a rooftop at sunset. the building, named "Bistetn", is a tall, rectangular structure with multiple floors and large windows that allow natural light to filter through. the exterior of the building is made of concrete and has a concrete walkway leading up to the entrance. the walkway is lined with small potted plants, adding a touch of greenery to the space. in the background, the city skyline is visible, with tall buildings and a clear blue sky with fluffy white clouds. the overall atmosphere of the image is peaceful and serene, with a sense of tranquility and tranquility.