What is a friend? In this beautiful photographic portrait, 100 talented photographers 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 ambitions photographic competitions ever staged, these images are part of the M.I.L.K. Collection: Moments of Intimacy, Laughter and Kinship.