🏺 Ancient Underground City: Ventilation Shafts, Temperature and Oxygen Lab

A six-level rock-cut city in soft tuff, Derinkuyu style: stack-effect draught through shafts, CO2 and O2 budgets of people and oil lamps, and heat exchange with the rock. An experiment finds how many people a set of shafts can feed.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install