š Enormous storm barrier, part of the Deltawerken flood protection system.
š Protects Rotterdam from North Sea storm surges.
š Witness a technological marvel of engineering with gigantic moving parts.
šø Impressive scale: each arm is almost 800 feet long, taller than the Washington Monument.
š¶ Visit the nearby Keringhuis Technology Museum for more information.
šļø Annual test closures in September are public events.
š Located in Hoek van Holland, accessible by car, foot, or bike.
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