Modern architectural design museum, London, daytime, sunny weather, glass façade, steel frame structure, cantilevered roof, white walls, minimalist interior, natural light pouring in, visitors walking and taking photos, 3/4 composition, low-angle shot, symmetrical composition, softbox lighting, high-contrast tone, detailed textures, British flag waving on the rooftop, cityscape background with skyscrapers, busy street scene, double-decker bus passing by.