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In 1998, Pierre took his first French record in variable weight, improving the time of Loic Leferme by 2 meters (-82m).
In 2000, he took his second World record, -73m in Free Immersion. Following this competition, Leferme and Frolla travelled around the world with VM Production to produce a movie called The Fish-Men, a 52-minute production by France Television. The movie took one year and included Frolla's third world record of -80 meters, set in 2001.
- "Príncipe promove GP de Mônaco debaixo d'água - Terra - Fórmula 1 2006". Terra Networks (in Portuguese). 24 May 2006. Retrieved 13 April 2011.