Modern gymnasium interior, bright natural light, high ceilings, wooden floors, rows of treadmills, stationary bicycles, free weights, exercise balls, mirrors, fitness enthusiasts, diverse ages, sweating, energetic, dynamic poses, athletic wear, sporty hairstyles, determined facial expressions, water bottles, towels, motivational quotes on walls, calm background music, airy atmosphere, morning sunlight, 3/4 composition, shallow depth of field.