A photo-realistic rendering of a modern, minimalist living room with concrete walls and a concrete staircase. the room is filled with natural light from the large windows on the left, which allow a view of the lush greenery outside. the floor is made of light-colored tiles, and the walls are made of concrete. on the right side of the image, a wooden staircase leads to the upper level of the room, with a bookshelf and a flat-screen tv mounted on the wall. the staircase has a modern design, and there are several wooden chairs and a table scattered around the room. a large pendant light hangs from the ceiling, casting a warm glow on the concrete floor. the overall atmosphere of the space is bright and airy, with the natural light coming from the windows creating a sense of relaxation and tranquility.