Located off Morocco, Spain's Canary Islands are facing their worst migrant crisis since 2006. In just one year, 30,000 migrants have arrived on the archipelago. The smallest island, El Hierro, saw 4,000 arrive in January alone. Despite locals and NGOs coming together to help out, El Hierro is overwhelmed. FRANCE 24’s Clara Le Nagard and Armelle Exposito report, with Sarah Morris.