After several people tried to do an underwater hand-stand, I gave one of our buddies my camera and showed them how it’s done in the middle of an archway. Not the most flattering position for a photo :-)
Click the image for a full-size version. We were at a dive site called Boo Jendela where there are fantastic swim-throughs. Click here for a Google Map of where we were based on the GPS reading I took.