The Synchronised Swimming is now in full (hopefully concerted) flow at London 2012.
One of the few single-gender sports in the Olympics its fans say its difficulty is often underestimated.
Yet it is often overlooked and at times derided in this country. It would be fair to say it's one of the stranger sports in the Olympics, but it's far from the weirdest event to have been included in the Games, as this guide explains.
Click here or click 'VIEW GALLERY' to launch our guide.