Fun story on current building height regulation in Paris: my brother was working on a renovation project, where most of the building was demolished, including m

Fun story on current building height regulation in Paris: my brother was working on a renovation project, where most of the building was demolished, including most of the floors, except the four walls and the roof, since the building predates the current height restriction and is taller than the max height: if they had removed the roof, the new building would have been smaller, so they kept the roof to keep the same (above-regulation) height