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</html><thumbnail_url>https://heldersebinnenstad.nl/wp-content/uploads/2026/07/ECK05028_1200x800.jpg</thumbnail_url><thumbnail_width>1200</thumbnail_width><thumbnail_height>800</thumbnail_height><description>DEN HELDER &#x2013; De prachtig gerestaureerde stoomsleepboot Noordzee gaat in Rotterdam als ambassadeur van Den Helder en van Museumhaven Willemsoord deelnemen aan de Wereldhavendagen 2026. Daar zullen voor de organisatie van dit grote nautische evenement met dit uniek stuk varend erfgoed op 4, 5 en 6 september rondvaarten worden gemaakt. Zowel de heenreis naar Rotterdam [&hellip;]</description></oembed>
