A photo-realistic rendering of a modern gym interior with wooden walls and large windows, showcasing a bright and well-lit space with natural light coming through the large windows. the gym has a minimalist design with wooden panels and a skylight above, allowing natural light to filter in and illuminate the space. the floor is covered with blue mats, and there are various exercise equipment such as exercise balls and weightlifting machines scattered throughout the room. on the left side of the image, a man and a woman are engaged in a sit-up exercise on a blue mat, while on the right side, another man and woman are engaging in a similar exercise. the man is wearing a gray tank top and white sneakers, while the woman is wearing black leggings and a black tank top. in the background, a few other people can be seen working out on various exercise machines. the overall atmosphere of the gym is bright and airy, with a sense of relaxation and tranquility.