DERNA, Libya — The center of the eastern city of Derna is like one big graveyard — a mass of flattened buildings, wrecked lives and upended vehicles amid torn trees. From where I’m standing, at least three huge bridges in the city center are leveled. The sheer numbers of people dead or unaccounted for in the Libyan city of Derna are overwhelming survivors. Sky NewsA few hours after daybreak and there are small groups of civilians, some with just pickaxes, trampling over the boulders and rubble left in Derna center in the wake of Storm Daniel. The steaming heat has meant the corpses they’re finding are putrid after almost a week of decomposing.