Severe flooding caused by historic rainfall has led to dozens of deaths in western Europe, and hundreds of people are missing.
"In some areas we have not seen this much rainfall in 100 years,'' Andreas Friedrich, a German weather service spokesman, told CNN.
Shocking images of the devastation in Germany and Belgium showed entire villages underwater, with cars wedged in between collapsed buildings and debris. The Netherlands, Luxembourg and Switzerland have also experienced flooding.

A damaged road buckles after flooding in Euskirchen, Germany.
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This aerial photo shows a bridge collapsed over the Ahr River in Germany's Ahrweiler district on Sunday.
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Damage is seen Sunday in Bad Neuenahr-Ahrweiler, Germany.
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Homes are damaged in Pepinster, Belgium, on Saturday.
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A resident stands in floodwaters in Rochefort, Belgium, on Saturday.
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Members of the German armed forces search for flood victims in Erftstadt, Germany, on Saturday.
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A resident of Arcen, Netherlands, looks at the rising water of the Meuse River on Saturday.
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Water flows over a square in front of a house in Bischofswiesen, Germany.
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A man stands in front of a destroyed house in Schuld, Germany.
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A water level gauge shows rising waters in Arcen, Netherlands, on Saturday. Dutch officials ordered the evacuation of 10,000 people in the municipality of Venlo, as the Meuse was rising there faster than expected.
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This aerial photo shows flooding in Erftstadt, Germany, on Friday.
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A man brushes water and mud out of his flooded house in Ensival, Belgium, on Friday.
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People collect debris in Bad Muenstereifel, Germany.
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The Steinbach dam is seen after flooding near Euskirchen, Germany.
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Firefighters walk past a car that was damaged by flooding in Schuld, Germany.
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People lay sandbags in Roermond, Netherlands, on Friday.
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A woman sorts through clothing at a shelter in Liege, Belgium, on Friday.
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A woman walks up the stairs of her damaged house in Ensival, Belgium.
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A man walks through a flooded part of Bad Neuenahr-Ahrweiler, Germany, on Thursday.
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A regional train sits in floodwaters at the local station in Kordel, Germany.
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People use rafts to evacuate after the Meuse River broke its banks during heavy flooding in Liege, Belgium.
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People look at a railway crossing that was destroyed by the flooding in Priorei, Germany.
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Men walk by damaged homes in Schuld, Germany.
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A man surveys what remains of his house in Schuld.
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Water from the Ahr River flows past a damaged bridge in Schuld.
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Evacuees ride a bus in Valkenburg aan de Geul, Netherlands.
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A car floats in the Meuse River during heavy flooding in Liege, Belgium, on Thursday.
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People walk on a damaged road in Bad Neuenahr-Ahrweiler, Germany.
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A resident uses a bucket to remove water from a house cellar in Hagen, Germany.
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A man and woman stand on the stoop of their home as they look at floodwaters in Geulle, Netherlands.
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Houses are damaged by flooding in Insul, Germany, on Thursday.
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A man steps down a ladder in an attempt to cut his boat loose in the Meuse River in Liege, Belgium.
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Caravans and campers are partially submerged in Roermond, Netherlands.
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A destroyed building is seen in a flood-affected area of Schuld, Germany.
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People walk over floodwaters in Stansstad, Switzerland.
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Cars are covered by debris in Hagen, Germany.
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A flood-affected area of Schuld, Germany.
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