For more than 50 years, one family has dedicated itself to caring for the biggest graveyard in Nigeria's northern city of Kaduna - much to the gratitude of other residents who do not fancy the job of dealing with the dead. Until a few weeks ago, they did it for no formal pay - digging graves, washing corpses and tending to the vast cemetery, receiving only small donations from mourners for their labour. The vast Tudun Wada Cemetery was set aside for the Muslim residents of the city by the authorities a century ago. The Abdullahi family became involved in...