Historical 20th century architecture, detailed timeline, Art Nouveau, De Stijl, Bauhaus, Brutalist, Postmodern, skyscrapers, villas, residential buildings, grand monuments, urban landscapes, cityscapes, concrete, steel, glass, stone, brick, modern materials, ornate decorations, clean lines, minimalism, futuristic, retro-futurism, nostalgia, vintage, abandoned, renovated, restored, UNESCO World Heritage Sites, urban renewal projects, panoramic view, wide-angle shot, detailed close-up, high contrast lighting.