[math-fun] Zulu Bungy was tragically put out of business (collapse side panel)

https://www.google.com/maps/place/37%C2%B056'05.0%22N+22%C2%B059'02.0%22E/@37.9217471,22.9981443,557a,35y,38.17t/data=!3m1!1e3!4m5!3m4!1s0x0:0x0!8m2!3d37.934722!4d22.983889?hl=en when the state-owned cement company substituted spanakopita flour during a shortage. Seriously, can anyone explain this effect? —rwg