![Ingrid Riis Denmark's King Frederik X, center, visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)](https://mapi.associatedpress.com/v2/items/450c456f61c24fada59900de09b2793f/preview/preview.jpg?s=680x)
Denmark's King Frederik X, center, visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)
![Ingrid Riis Director of Sund and Belt, Mikkel Hemmingsen, right, and Denmark's Transport Minister Thomas Danielsen, left, accompany Denmark's King Frederik X, left, as he visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)](https://mapi.associatedpress.com/v2/items/90cceab3812e4e7eb738d389f9dd167d/preview/preview.jpg?s=680x)
Director of Sund and Belt, Mikkel Hemmingsen, right, and Denmark's Transport Minister Thomas Danielsen, left, accompany Denmark's King Frederik X, left, as he visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)
![Ingrid Riis Denmark's King Frederik X, left, visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)](https://mapi.associatedpress.com/v2/items/d45d78e10c1542fe95d840ebac8532c6/preview/preview.jpg?s=680x)
Denmark's King Frederik X, left, visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)
![Ingrid Riis Workers are seen during the visit of Denmark's King Frederik X, to the Fehmarn Belt tunnel construction site at Roedbyhavn as he inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)](https://mapi.associatedpress.com/v2/items/23051e4172f043ba81406380142ac628/preview/preview.jpg?s=680x)
Workers are seen during the visit of Denmark's King Frederik X, to the Fehmarn Belt tunnel construction site at Roedbyhavn as he inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)
![Ingrid Riis Denmark's King Frederik X, visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)](https://mapi.associatedpress.com/v2/items/82c019a60633409ebd5a32d93c698781/preview/preview.jpg?s=680x)
Denmark's King Frederik X, visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)
![Ingrid Riis Denmark's King Frederik X, center, visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)](https://mapi.associatedpress.com/v2/items/d75f4264cd464ac3839b570f5a70c9df/preview/preview.jpg?s=680x)
Denmark's King Frederik X, center, visits the Fehmarn Belt tunnel construction site at Roedbyhavn and inaugurates the first tunnel element, on the island of Lolland, Denmark, Monday June 17, 2024. Danish King Frederik X inaugurated Monday the first element of a future 18-kilometer (11-mile) rail-and-road tunnel under the Baltic Sea that will link southern Denmark to northern Germany and contribute to the transport sector's green transition. (Ingrid Riis/Ritzau Scanpix via AP)