The ‘Wonder Of The Modern World’ That Keeps The Netherlands From Being Under Water

The ‘Wonder Of The Modern World’ That Keeps The Netherlands From Being Under Water
A disastrous flood in 1953 spurred the construction of the Dutch Delta Works. Here’s how the system works.
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Source http://handbookblogger.blogspot.com/2017/11/the-wonder-of-modern-world-that-keeps.html