Larry Fink’s powerful, unsentimental photographs reveal the heart of close-knit communities.

Here, he takes us inside what he calls “the deep fraternity” of the boxing gym, its intimacy and its grit, captured in more than seventy-five luminous gelatin-silver prints.

Featured in the series are Philadelphia’s own Blue Horizon—one of the great American boxing arenas—and the local fighters who’ve had their dreams realized, or dashed, within its hallowed walls.