Synchronized swimming explained

From unflavored gelatin to underwater speakers to "beeping;" synchronized swimming has a specialized set of equipment and competitive framework all its own. -- By John Parker.

nose plugs or makeup

The team from Ukraine perform their duets technical routine in the final of the Synchronised Swimming Team event at the European Championships Diving and Synchronized Swimming at Pieter van den Hoogenband stadium in Eindhoven, south central Netherlands, Sunday May 27, 2012. (AP Photo/Ermino Armino)

speakers

Team Ukraine performs in the final of the Synchronised Swimming Team event at the European Championships Diving and Synchronized Swimming at Pieter van den Hoogenband stadium in Eindhoven, south central Netherlands, Saturday May 26, 2012. (AP Photo/Ermino Armino)

beeping

Korea's Kim Sung Eun and Yoo Na Mi perform in the duet technical routine preliminary round in synchronized swimming, in the Olympic Aquatic Center at the 2004 Olympic Games in Athens, Tuesday Aug. 24, 2004. (AP Photo/Lefteris Pitarakis)

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