A Georgian teen solved six Rubik’s cubes underwater in a single breath, setting a new Guinness World Record. Vako Marchilashvili was submerged in a glass tank for 1 minute and 44 seconds.

The feat took place on Friday, in front of a crowd at the Gino Paradise aqua park in Tbilisi. The 18-year-old student solved each Rubik’s cube, sending them one by one up to the top of the tank as he completed them. After he finished the sixth puzzle, he arose from the tank to loud cheers.

The previous underwater record was held by Anthony Brooks who solved five rubix cubes in New Jersey in 2014.

Marchilashvili, who spent six months preparing for the challenge, said he believed that his new record would stand for a long time.

“I trained a lot, planning to break a record, and to ensure my safety because, even a small mistake could be dangerous and life-altering.”

His result was confirmed by the Georgian Records Federation and will be sent to the Guinness World Records for official verification.

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