For some years now, we have been witnessing the "singular" resurrection of ideas of sharing, the principles of pooling as well as collective actions and the reinvention of community rules. But, as the American philosopher Judith Butler has underlined, whenever people come together in public space, it is often to demonstrate about the fact that they are being deprived access to it, or that their rights have been flouted or threatened: hence, these gathering are at once an expression of resistance and a sign of vulnerability.