May 20, 2014
From Balkans Struck by Worst Flooding in 120 Years, one of 35 photos. People stand on a terrace of their flooded house as they wait before being evacuated in the town of Obrenovac, southwest of Belgrade, on May 16, 2014. The heaviest rains and floods in 120 years have hit Bosnia and Serbia, killing dozens and forcing tens of thousands out of their homes and cutting off entire towns. (Reuters/Marko Djurica)

From Balkans Struck by Worst Flooding in 120 Years, one of 35 photos. People stand on a terrace of their flooded house as they wait before being evacuated in the town of Obrenovac, southwest of Belgrade, on May 16, 2014. The heaviest rains and floods in 120 years have hit Bosnia and Serbia, killing dozens and forcing tens of thousands out of their homes and cutting off entire towns. (Reuters/Marko Djurica)

February 10, 2014
From Flooding in Southwest England, one of 26 photos. Workers continue to build flood defenses around the home of Sam Notaro in the flooded village of Moorland on the Somerset Levels on February 10, 2014 in Somerset, England. Thousands of acres of the Somerset Levels have been under water for weeks, yet flood levels are still rising and worryingly, more rain is forecast for later this week. (Matt Cardy/Getty Images)

From Flooding in Southwest England, one of 26 photos. Workers continue to build flood defenses around the home of Sam Notaro in the flooded village of Moorland on the Somerset Levels on February 10, 2014 in Somerset, England. Thousands of acres of the Somerset Levels have been under water for weeks, yet flood levels are still rising and worryingly, more rain is forecast for later this week. (Matt Cardy/Getty Images)

September 16, 2013
From Historic Flooding across Colorado, one of 32 photos. A tractor sits partially submerged in a field after flooding along the South Platte River in Weld County, Colorado near Greeley, on September 14, 2013. A days-long rush of water from higher ground turned parts of Colorado’s expansive eastern plains into muddy swamps. (AP Photo/John Wark)

From Historic Flooding across Colorado, one of 32 photos. A tractor sits partially submerged in a field after flooding along the South Platte River in Weld County, Colorado near Greeley, on September 14, 2013. A days-long rush of water from higher ground turned parts of Colorado’s expansive eastern plains into muddy swamps. (AP Photo/John Wark)

August 21, 2013
From Heavy Rain, Floods Batter Philippines, one of 24 photos. A boy carries his dog through floodwaters brought by the monsoon rain, intensified by tropical storm Trami, in Paranaque city, metro Manila, Philippines, on August 20, 2013. Heavy rains continue to batter the Philippine capital and nearby provinces, causing government offices, schools and some businesses to suspend work, and sending residents to flee their homes. (Reuters/Romeo Ranoco)

From Heavy Rain, Floods Batter Philippines, one of 24 photos. A boy carries his dog through floodwaters brought by the monsoon rain, intensified by tropical storm Trami, in Paranaque city, metro Manila, Philippines, on August 20, 2013. Heavy rains continue to batter the Philippine capital and nearby provinces, causing government offices, schools and some businesses to suspend work, and sending residents to flee their homes. (Reuters/Romeo Ranoco)

June 12, 2013
From More Flooding in Central Europe, one of 24 photos. Here, a garden with a swimming pool is inundated by the waters of the Elbe River during floods near Magdeburg in the state of Saxony Anhalt, on June 10, 2013. Tens of thousands of Germans, Hungarians and Czechs were evacuated from their homes as soldiers raced to pile up sandbags to hold back rising waters in the region’s worst floods in a decade. (Reuters/Thomas Peter)

From More Flooding in Central Europe, one of 24 photos. Here, a garden with a swimming pool is inundated by the waters of the Elbe River during floods near Magdeburg in the state of Saxony Anhalt, on June 10, 2013. Tens of thousands of Germans, Hungarians and Czechs were evacuated from their homes as soldiers raced to pile up sandbags to hold back rising waters in the region’s worst floods in a decade. (Reuters/Thomas Peter)

June 7, 2013
From Flooding Across Central Europe, one of 36 photos. The city hall of Grimma, Germany, surrounded by floodwater, on June 3, 2013. Flooding has spread across a large area of central Europe following heavy rainfall in recent days. Eastern and southern Germany are suffering under floods that in some cases are the worst in 400 years. Tens of thousands of Germans, Hungarians and Czechs were evacuated from their homes as soldiers raced to pile up sandbags to hold back rising waters in the region. (AP Photo/dpa, Jens Wolf)

From Flooding Across Central Europe, one of 36 photos. The city hall of Grimma, Germany, surrounded by floodwater, on June 3, 2013. Flooding has spread across a large area of central Europe following heavy rainfall in recent days. Eastern and southern Germany are suffering under floods that in some cases are the worst in 400 years. Tens of thousands of Germans, Hungarians and Czechs were evacuated from their homes as soldiers raced to pile up sandbags to hold back rising waters in the region. (AP Photo/dpa, Jens Wolf)

November 12, 2012
From Venice Under Water, one of 29 photos. A man and woman swim in flooded Piazza San Marco (St. Mark’s Square) in Venice, Italy, on November 11, 2012. High tides have flooded Venice, leading Venetians and tourists to don high boots and use wooden walkways to cross Piazza San Marco and other areas under water. (AP Photo/Luigi Costantini)

From Venice Under Water, one of 29 photos. A man and woman swim in flooded Piazza San Marco (St. Mark’s Square) in Venice, Italy, on November 11, 2012. High tides have flooded Venice, leading Venetians and tourists to don high boots and use wooden walkways to cross Piazza San Marco and other areas under water. (AP Photo/Luigi Costantini)

August 8, 2012
From Monsoon Rain Floods Manila, one of 31 photos. Here, residents ride on a makeshift raft during a heavy downpour along a flooded street in Malabon, Metro Manila, on August 1, 2012. Typhoon Saola (Gener) pounded the Philippine territory for days, followed by heavy monsoon rains. (Reuters/Erik De Castro)

From Monsoon Rain Floods Manila, one of 31 photos. Here, residents ride on a makeshift raft during a heavy downpour along a flooded street in Malabon, Metro Manila, on August 1, 2012. Typhoon Saola (Gener) pounded the Philippine territory for days, followed by heavy monsoon rains. (Reuters/Erik De Castro)

March 19, 2012
From Spiders Flee Australian Flood, one of 20 photos. Here, a barbed-wire fence is covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga, Australia, on March 7, 2012. The Murrumbidgee river slowly receded after reaching 10.56 m (34 feet) on March 6. (Reuters/Daniel Munoz)

From Spiders Flee Australian Flood, one of 20 photos. Here, a barbed-wire fence is covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga, Australia, on March 7, 2012. The Murrumbidgee river slowly receded after reaching 10.56 m (34 feet) on March 6. (Reuters/Daniel Munoz)