摘要
In a late afternoon,Lagos,Nigeria,the largest agglomeration on the African continent with 21 million inhabitants,is teeming with life in its streets.Passers-by hurriedly return home,exhausted from a day’s work,while for drivers,it is rush hour.The latter are moving at a snail’s pace,except for Joseph Kalu,a delivery boy on a motorcycle like no other.Joseph works for LifeBank,a technology company linking blood supply to hospital patients.His mission?Deliver the blood he carries in his refrigerated container as quickly as possible,to help save a life.