I saw this photo on Flickr. I have no idea what the story is behind this, but it appears to be a bunch of people setting out on a long excursion involving bicycles. For some reason, they're all wearing overalls. Bikes and overalls? Never thought to mix the two, but hey, why not? Cool!
(BTW, looking a bit through this fellow's photostream, it appears he's been to a lot of amazing places. I love travel photography, and there's some awfully nice shooting going on here.)