Spaces, bridges, lines, towers, apartments, pillars, symmetry, windows, balconies, stripes, roads, patterns, hallways, corners, signs, roofs, bricks, structures, facades, arches, frames, doors, houses, lanterns, edges, interiors, stairways, skylines.
Oh yeah, buildings too.
The Erasmus bridge in Rotterdam owes its nickname 'The Swan' to its bright white architectural lines high above the Maas river.
A gigantic office mirror next to Rotterdam Centraal, blending into the sky.
Utrecht Central Station shapes.