In this image taken Thursday Feb. 9, 2012, Tourists admire the frozen IJsselmeer inland sea on Afsluitdijk, a dike closing off the Wadden sea and North Sea from IJsselmeer inland sea, northern Netherlands. Rising in a thin line through the surface of waters separating the provinces of North Holland and Friesland, the 87-year-old Afsluitdijk is one of the low-lying Netherlands' key defenses against the sea. With climate change bringing more powerful storms and rising sea levels, it's getting a major makeover. (AP Photo/Peter Dejong)
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