Bauhaus pavilion, modern architecture, glass facade, steel structure, geometric shapes, minimalist design, functionalism, Weimar Republic era, 1920s style, international exhibition, world fair, Barcelona, Spain, sunny day, clear blue sky, people walking around, curiosity, admiration, bold typography, De Stijl influence, primary colors, rectangular forms, clean lines, simplicity, functionality, cultural icon, historical landmark, architectural photography, wide-angle shot, low-angle view, natural light, shallow depth of field.