Modern architectural building, geometric shapes, symmetry, perspective, vanishing points, lines, angles, 3D modeling, computer-aided design (CAD), blueprints, graph paper, pencil sketches, ruler drawings, trigonometry, calculus, algebraic equations, spatial reasoning, scale models, urban planning, cityscapes, metropolitan landscapes, contemporary skyscrapers, historical landmarks, ancient ruins, ornate details, arches, columns, domes, Gothic architecture, Renaissance style, Art Deco patterns, intricate carvings, stone textures, glass reflections, metal frameworks, wooden structures, green roofs, sustainable designs, eco-friendly materials.