In the northern Senegalese city of Saint-Louis, excavators are ripping up the beach to lay giant blocks of basalt, in an eleventh-hour effort to keep the sea at bay. Dire warnings about the risk of rising sea levels due to climate change are already a grim reality in Saint-Louis, where seafront residents in the historic fishing quarter are abandoning their homes to the encroaching Atlantic Ocean. A VOICED AFPTV REPORT