San Francisco cityscape, architecture tour, daytime, sunny weather, clear blue sky, modern skyscrapers, glassy reflections, ornate historic buildings, intricate stonework, iconic Golden Gate Bridge, steep hills, colorful Victorian houses, Alcatraz Island in the distance, fog rolling in, vibrant street art, bustling streets, diverse crowds, cable cars, Union Square, Chinatown gates, grand city hall, Beaux-Arts style, neoclassical columns, intricate metalwork, warm natural lighting, cinematic composition.