‘The problem is not that people remember through photographs, but that they remember only photographs. This remembering through photographs eclipses other forms of understanding, and remembering. Harrowing photographs do not inevitably lose their power to shock. But they are not much help if the task is to understand. Narratives can make us understand. Photographs do something else: they haunt us'. Discuss the implications of Sontag's claim for contemporary politics and humanitarian organisations.