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Open Image ModalPeople sit at the table of a bar in a flooded St. Mark's Square in Venice, Italy, Sunday, Nov. 11, 2012. High tides have flooded Venice, leading Venetians and tourists to don high boots and use wooden walkways to cross St. Mark's Square and other areas under water. Flooding is common this time of year and Sunday's level that reached a peak of 58.66 inches (149 centimeters) was below the 63 inches (160 centimeters) recorded four years ago in the worst flooding in decades. (AP Photo/Luigi Costantini)
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Open Image ModalA man enjoys swimming in flooded St. Mark's Square.(AP Photo/Luigi Costantini)
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Open Image ModalA young man and a woman enjoy swimming in flooded St. Mark's Square.(AP Photo/Luigi Costantini)
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Open Image ModalA woman walks in high water ner the Rialto Bridge in Venice.(AP Photo/Luigi Costantini)
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Open Image ModalTourists walk on footbridges during a 'acqua alta' on November 11, 2012 in Venice. Rain and wind hit the north of Italy on Sunday and the folooding reached 150 centimetres in Venice. (Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalTourists walk on footbridges during a 'acqua alta' on November 11, 2012 in Venice. (Marco Sabadin, Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalTourists walk on footbridges near the Rialto bridge.(Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image Modal(Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA man runs in a flooded street during a 'acqua alta'.(Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA shoes seller displays wellies outside his shop in a flooded street during a 'acqua alta' on November 11, 2012 in Venice. (Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA man sits in his shop as tourits walk in a flooded street during a 'acqua alta' on November 11, 2012 in Venice. (Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalPeople take a coffee ina flooded shop.(Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalShoes and wellies float in a flooded shop.(Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalPeople walk in a flooded street during a 'acqua alta.(Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalTourists put on their shoes in front of the Bridge of Sighs.(Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalPeople walk in a flooded street during a 'acqua alta'.(Marco Sabadin,Marco Sabadin/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA woman and child play in a flooded St. Mark's Square, in Venice, Italy, Saturday, Oct. 27, 2012. The high tide reached a peak of 127 centimeters (50 inches) Saturday, flooding the city. (AP Photo/Luigi Costantini) (credit:AP)
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Open Image ModalTourists walk with plastic bags to protect their shoes on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalThis picture shows a general view of the flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalAn employee walks on the flooded St Mark's square as he delivers goods during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalThis picture shows a general view of the flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalAn employee carries a box to deliver on the flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalAn employee pushes a trolley on the flooded St Mark's square as he delivers goods during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalTourist seat a cafe terrace on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalTourists walk along raised gangways above the flood waters as others wade through the water in flooded St. Mark square as high tides reached 1.05 meters above sea level, partly flooding the city of Venice, Italy, Monday, Oct. 15, 2012. (AP Photo/Luigi Costantini) (credit:AP)
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Open Image ModalTourists walk along raised gangways above the flood waters as others wade through the water in flooded St. Mark square as high tides reached 1.05 meters above sea level, partly flooding the city of Venice, Italy, Monday, Oct. 15, 2012. (AP Photo/Luigi Costantini) (credit:AP)
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Open Image ModalTourists have to roll up their trousers to wade across the flooded St. Mark square as high tides reached 1.05 meters above sea level, partly flooding the city of Venice, Italy, Monday, Oct. 15, 2012. (AP Photo/Luigi Costantini) (credit:AP)
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Open Image ModalA tourist sits outside a cafe in flooded St. Mark square as high tides reached 1.05 meters above sea level, partly flooding the city of Venice, Italy, Monday, Oct. 15, 2012. (AP Photo/Luigi Costantini) (credit:AP)
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Open Image ModalAn employee walks on the flooded St Mark's square as he delivers goods during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalTourists walk barefoot on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalTourists walk barefoot on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalA tourist carries a suitcase as she walks barefoot on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalA couple exchange a kiss as they stand barefoot on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalTourists walk barefoot on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalPeople walk with plastic bags to protect their shoes on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalA tourists walks barefoot on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalA woman runs in water on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalA couple plays with water on a flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)
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Open Image ModalA tourist takes pictures on the flooded St Mark's square during the first 'acqua alta' of the season on October 15, 2012 in Venice. The 'acqua alta', a convergence of high tides and a strong sirocco, reached 105 centimeters. AFP PHOTO / ANDREA PATTARO (credit:Getty Images)