They pelt each other with ripe fruit until they become soaked through with tomato juice and covered in pulp, using more than 200,000 pounds of tomatoes. Some of those involved in this messy festival got a stinging reminder that tomatoes are acidic, and could be seen rubbing their eyes after getting a soggy missile to the face. When the tomato supply runs out, the messy throng jumps into a nearby river en masse.
La Tomatina is rumoured to have started in the 1940s when a group of young friends began throwing their lunch at each other one day, near a vegetable stand on a town square. Before long, it turned into an annual tradition