"We have nothing to do at the moment. We've got no choice. We don't even have anywhere to go," says Guinean migrant Amadou Sadio after Tunisian security forces cleared his tent. For nearly two years, olive groves around El Amra, a town south of Tunis, served as informal camps for thousands of migrants from sub-Saharan Africa. This week, authorities launched a sweeping operation to clear out the makeshift shelters located a few kilometres from Tunisia's Mediterranean coast.