Large-scale physical density models where plywood forms represent the populations of 12 of the world’s major urban centres. Made by a team of designers and architects led by Professor Richard Burdett. Source: Eliza Williams (2007) Global Cities at Tate Modern. Right photo by Stefan Geens.

Eurogums are edible population pyramids of the 28 EU member countries. Whereas 27 countries taste cherry-sweet, the UK Eurogum is rather sour, due to the referendum and Brexit. Also see our other entries on data-driven food. Source: meikl3D