Crown Princess Mary attended an event of the WWF World Wide Fund for Nature in Grenå

Crown Princess Mary wore a white printed shirt and black skirt. The thornback ray (Raja clavata) were released into Danish waters

On August 19, 2020, Danish Crown Princess Mary attended an event of the WWF World Wide Fund for Nature at Kattegat Center in Grenå. During the event, the thornback ray (Raja clavata) were released into Danish waters. Today, the majority of the 13 Danish thornback rays are threatened with extinction.