This photo taken in Jan. 2019 and made available by Deltares shows the flume wave tank in Delft, Netherlands, that is used to test structure designs for the strengthening work for the Afsluitdijk. With climate change bringing bigger storms and rising sea levels, one of the low-lying Netherlands’ key defenses against the sea is getting a major makeover. The 5-year project will see workers lay thousands of concrete blocks and raise parts of the 87-year-old Afsluititdijk dike. (Guus Schoonewille/Deltares via AP)
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