Here's a picture you definitely don't see every day (or ever). This shot, an entry in the National Geographic Traveler Photo contest, shows a marine nomad child hitching an underwater ride on a shark pal of his.
In case you're wondering what marine nomads are (like we were), here's the scoop: Marine nomads are people who live their lives at seas, on small boats, and rarely step foot on land. These people live in the Philippines, Indonesia and Malaysia but their numbers are dwindling. Click here to read more.