PRAGUE—New Years' Eve, 2005. © Josef Koudelka / Magnum Photos

PRAGUE—New Years' Eve, 2005. © Josef Koudelka / Magnum Photos

G.B. ENGLAND. London. Trafalgar Square. 01/01/2000. © Chris Steele-Perkins / Magnum Photos

G.B. ENGLAND. London. Trafalgar Square. 01/01/2000. © Chris Steele-Perkins / Magnum Photos

NEW YORK—The Bowery, 1947. © Henri Cartier-Bresson / Magnum Photos

NEW YORK—The Bowery, 1947. © Henri Cartier-Bresson / Magnum Photos

PARIS—La Villette, 1929. © Henri Cartier-Bresson / Magnum Photos

PARIS—La Villette, 1929. © Henri Cartier-Bresson / Magnum Photos