San Francisco, Victorian architecture, walking tour, daytime, sunny, clear blue sky, steep hills, colorful houses, ornate decorations, wooden doors, balconies with iron railings, flowers in window boxes, pavement, sidewalks, tourists with cameras, guide holding umbrella, Union Square, Chinatown gates, Golden Gate Bridge in the distance, cable car tracks, palm trees lining the streets, soft warm lighting, vibrant colors, high contrast, detailed textures, 3/4 composition, wide-angle lens.