YELLOW · GREEN · GRAY · RED
Make a hypothetical city by growing it in small, structure-preserving steps.
YELLOWPedestrian areas first.
GREENGardens and living green space.
GRAYBuildings that shape the spaces.
REDThe minimum roads and parking.
Use mouse, pen, or finger. Change thickness, erase, undo, and repeat the sequence as many times as you like.