In France, it was the piles of wheelie bins stacked up against school entrances that first hinted at the scale of student anger over crumbling classrooms and teacher shortages. In Spain, it was a tent camp that steadily grew in the heart of the capital as residents railed against soaring housing costs.
Similar scenes have since sprung up in Belgium, Italy and Portugal, and clashes have convulsed Albania’s capital of Tirana, hinting at an autumn of protests across Europe.