Group of 7 meetings once embodied the effort to sustain the global diplomatic order. This year’s gathering, starting on Monday, symbolizes its fragmentation.

© Kenny Holston/The New York Times

Group of 7 meetings once embodied the effort to sustain the global diplomatic order. This year’s gathering, starting on Monday, symbolizes its fragmentation.

© Kenny Holston/The New York Times

Four decades after the conceptual artist Christo draped the Pont Neuf with fabric, JR, a French street artist, offers his own trick of the eye.

© Elliott Verdier for The New York Times