A woman sunbathes on the edge of the Lake of Zurich on a sunny and warm spring afternoon in Kuesnacht April 29, 2010. REUTERS/Christian Hartmann (SWITZERLAND - Tags: ENVIRONMENT)

The Earthrace vessel is seen at Manly Wharf in Sydney January 8, 2009. The vessel, powered with 100% renewable biodiesel fuel, set a world record for a powerboat to circle the globe. Its voyage of over 24,000 nautical miles took 60 days, 23 hours and 49 minutes in June 2008. REUTERS/Daniel Munoz (AUSTRALIA)

The Evolution-class powerboat "GFN Gibellato", crewed by Italy's Marco Pennesi and Stefano Bonanno, competes in the Sprint event during the Powerboat P1 World Championship Malta Grand Prix outside Valletta's Grand Harbour, June 8, 2008.
REUTERS/Darrin Zammit Lupi (MALTA)

Powerboats race in round 2 of the Class 1 World Powerboat Championship 2008 in Budva May 25, 2008. REUTERS/Stevo Vasiljevic (MONTENEGRO)

Rescue boats help powerboat '8 Foresti & Suardi ' of Marco Pennesi Racing from Italy after an accident during the first official practice session for Saturday's Egyptian Grand Prix, Round 5 of the World Professional Powerboating Association's Class 1 World Powerboat Championship, off the coast of Port Marina, Alexandria October 25, 2007. Picture taken October 25, 2007. REUTERS/Nasser Nuri (EGYPT)

Powerboat '10 Spirit of Norway' of Bjorn Rune Gjelsten (D) Norway/Steve Curtis MBE (T) England Racing of Britain takes part in the first official practice session for Saturday's Egyptian Grand Prix, Round 5 of the World Professional Powerboating Association's Class 1 World Powerboat Championship, off the coast of Port Marina, Alexandria October 25, 2007. Picture taken October 25, 2007. REUTERS/Nasser Nuri (EGYPT)

Powerboat '90 Jotun' of Christian Zaborowski Racing from Norway takes part in the first official practice session for Saturday's Egyptian Grand Prix, Round 5 of the World Professional Powerboating Association's Class 1 World Powerboat Championship, off the coast of Port Marina, Alexandria October 25, 2007. Picture taken October 25, 2007. REUTERS/Nasser Nuri (EGYPT)

Powerboat '90 Jotun' of Christian Zaborowski Racing from Norway takes part in the first official practice session for Saturday's Egyptian Grand Prix, Round 5 of the World Professional Powerboating Association's Class 1 World Powerboat Championship, off the coast of Port Marina, Alexandria October 25, 2007. Picture taken October 25, 2007. REUTERS/Nasser Nuri (EGYPT)

Italy's Francesco Cantando (R) and Finland's Selio Sami race during the F1 Powerboat World Championships Grand Prix in front of Singapore's skyline September 18, 2005. Cantando won the race, with Selio taking second place and France's Philippe Dessertenne coming third. REUTERS/Vivek Prakash VP/TC

An F1 powerboat races during a timed trial session in front of the Singapore skyline September 17, 2005. The F1 Powerboat World Championships Grand Prix will take place on Sunday. REUTERS/Vivek Prakash VP/KS
Also refer to: GF1DUXTXNHAB

Italian Cantando Francesco drives his F1 powerboat during the F1 Powerboat Grand Prix in Bombay March 7, 2004. Francesco won the 60 lap race with a timing of 47 minutes 43.43 while defeating 22 other international competitors. Bombay is the first leg of the F1 powerboating season. REUTERS/Sherwin Crasto SC/

Italy's Cantando Francesco displays his trophy after winning the F1 Powerboat Grand Prix in Bombay March 7, 2004. Francesco won the 60 lap race with a timing of 47 minutes 43.43 while defeating 22 other international competitors. Bombay is the first leg of the F1 powerboating season. REUTERS/Sherwin Crasto SC/SH

Italy's Cantando Francesco gestures after winning the F1 Powerboat Grand Prix in Bombay March 7, 2004. Francesco won the 60 lap race with a timing of 47 minutes 43.43 while defeating 22 other international competitors. Bombay is the first leg of the F1 powerboating season. REUTERS/Sherwin Crasto SC/SH

Italy's Cantando Francesco (F) drives his F1 powerboat ahead of French driver Dessertenne Phillippe in the F1 Powerboat Grand Prix in Bombay March 7, 2004. Francesco won the 60 lap race with a timing of 47 minutes 43.43 while defeating 22 other international competitors. Bombay is the first leg of the F1 powerboating season. REUTERS/Sherwin Crasto SC/SH