King Frederik X of Denmark (L) and Netherlands' King Willem-Alexander are pictured during a boat trip through the Copenhagen Harbor in Copenhagen, Denmark, on November 12, 2024. The purpose of the king's visit is to strengthen cooperation between the Netherlands, Denmark, and Norway in hydrogen technology and future energy systems. After his visit to Denmark, the Dutch king will continue to Norway. (Photo by Ida Marie Odgaard / Ritzau Scanpix / AFP) / Denmark OUT (Photo by IDA MARIE ODGAARD/Ritzau Scanpix/AFP via Getty Images)