Forty years ago the father of Juan Cardona, the current owner of the quarry Cantera Can Orvay on the island of Ibiza, Spain, started extracting limestone. Today, with 20 employees and a daily output of 3,000tonnes, the company, Áridos y Prefabricados, has grown to become the biggest family owned quarry in the island. "When my father asked if I'd like to study or work, I said I'd like to work. And so I've been working here for 27 years. Since my father's retirement, I've been in charge of the quarry," Juan C