World heritage is something that is so valuable that it must be passed to the next generations. Something to be cherished and well-cared-for so that posterity can experience it, and because the world heritage is vital to mankind and our understanding of the world.
The Wadden Sea in Denmark was appointed a World Heritage Site by UNESCO in 2014, and today the Wadden Sea in the Netherlands, Germany and Denmark is world heritage all together. In the whole world, there are 200 natural sites appointed World Heritage Sites.
Read more in the article on the front page of FERIEDANMARK.DK