Slum Survivors 　　Series in which a group of young people are put through their paces as they embark on a crash course in urban survival in some of the world's biggest slums 　　1) Lagos 尼日利亚 拉各斯 　　In Lagos, Nigeria, three British mechanics are guided and challenged for ten days by extraordinary slum dwellers who use dedication, passion and guts to succeed. Being the best here is tough;...