De Young Museum, San Francisco, California, USA, modern architecture, grand entrance, large glass windows, sleek metal framework, elegant stone walls, intricate details, angular lines, geometric shapes, urban landscape, cityscape, daytime, natural light, vibrant atmosphere, people walking in and out, cultural event, exhibition, art installation, contemporary design, minimalist style, clean lines, simple forms, functional layout, open space, high ceiling, wooden floors, comfortable seating area, reading nook, museum shop, educational facilities.