Most Rubik’s Cubes solved underwater

The most Rubik’s Cubes solved underwater in one single breath is four and was achieved by David Calvo (Spain), on the set of ‘Guinness World Records’, Madrid, Spain, on 16 January 2009.

David is not trained in Apnea, he is just very fast at solving Rubik’s cubes. He held his breath for around 1 min 30 sec during this attempt.