Modern architecture exhibition, London cityscape, daytime, natural light pouring in through floor-to-ceiling windows, minimalist interior design, white walls, polished concrete floors, sleek glass tables, futuristic LED lights, varied scale models of buildings on display, intricate details, visitors walking and observing, business casual attire, smartphones for photography, blurred motion effect, shallow depth of field, urban landscape outside, city skyscrapers, double-decker buses passing by.