Well-lit gymnasium, high ceilings, mirrored walls, rubber flooring, exercise equipment, free weights, treadmills, stationary bikes, motivational quotes, energizing color scheme, bright overhead lighting, spotlights on machinery, soft ambient glow, natural daylight, floor-to-ceiling windows, urban cityscape views, early morning sunlight, warm golden tones, shallow depth of field, 1/2 composition, realistic reflections, subtle lens flares.