Corner tile. Broken in two and mended; two plaster restorations. Clay: soft, buff. Glaze: rich turquoise blue, crackled; areas of incipient disintegration and a silver iridescence. Decoration: parts ...

Beneath the bustling streets of New York City, the subway system faces it share of challenges. But at the 86th Street station on the Q line, 71-year-old Rodney Smith stands out as a beacon of ...