THE BIG PICTURE

Tour de France 2012: Part two

The 2012 Tour de France enters the final week with some tough climbs in the Pyrenees and a decisive individual time-trial remaining before the peloton races laps on the Champs-Elysees in Paris on Sunday.

(Christophe Ena/Associated Press)

THE BIG PICTURE

Tour de France 2012: Part one

Equal parts travelogue, party, and sport, the Tour de France enthralls us every year with spectacular scenery and fierce competition. Gathered here are images of the first week of the 99th Tour.

(Lionel Bonaventure/AFP/GettyImages)

Boston’s World Naked Bike Ride

For the third time, the World Naked Bike Ride pedaled its way through Boston on Saturday.

(Kayana Szymczak for the Boston Globe)

THE BIG PICTURE

Pedal power

For well over a hundred years, people have hopped on bicycles for transportation, recreation, competition, and more. Gathered here are images of people around the world as we pedal for a reason, or just because.