
Monthly in cities around the world, bicyclists take over the streets in an "organized coincidence" called Critical Mass. Riding along several hundred strong, hooting and hollering, whistling, laughing and singing; it is a coup on wheels, a clever tactical strike against our oil-dependent...
![Critical Mass. L'uso sovversivo della bicicletta [Italian] 8807710145 Book Cover](https://m.media-amazon.com/images/I/41KiJ3qB2zL._SL500_.jpg)