Modern gymnasium interior, bright color scheme, wooden floorboards, rows of exercise equipment, treadmills, stationary bicycles, free weights, weightlifting platforms, mirrored walls, high ceilings, sports-themed posters, motivational quotes, comfortable seating areas, water coolers, lockers, athletic wear advertisements, morning sunlight streaming through large windows, softbox lighting, 3/4 composition, shallow depth of field, vibrant colors, dynamic shadows.