In Spain, anger is boiling over in Catalonia's abattoirs. Spain is Europe's second-largest producer of pork but is facing stiff competition from around the world. As a result, working conditions in its slaughterhouses have deteriorated over the past few years. Most of the jobs are now done by foreigners, who are forced to accept a relentless pace of work, and salaries that are well below the minimum wage. Our team in Spain reports.