After taking the picture of Mohammeds’ wife embracing her sister, I walked back to the slum. Sweating and thirsty I noticed Mohammed nod across to a boy. A few minutes later the boy wandered over, offering up an ice cold Coke in a glass bottle. With the cap on but ajar, a gesture of its freshness, I looked back and saw Mohammed gently nodding and smiling. I'll always remember how it challenged my perception of the poor, and how humbling it was to receive a drink from a man who had almost nothing.