In this beautiful photographic portrait, 100 talented photographers, including a number of Pulitzer Prize winners, answer this question as they vividly render this fragile, yet essential, bond. These engaging photographs$ depict this powerful connection that lights up life in both good times and bad. Selected from over 40,000 global entries in one of the most ambitious photographic competitions ever staged, these images are part of the MILK. Collection: Moments of Intimacy, Laughter, and Kinship.