Brainwashing
![](https://humusz.hu/sites/default/files/default_images/alapertelmezett-lead-kep_0.jpg)
A specially modified bus was wandering around Hungary last year. The huge, smoke-blowing Tetra-Brik box � owned by the Tetra-Pak company - visited schools where, at the request of the school management, the driver gave lectures on environmental issues.