Queen Maxima and Crown Princess Mary both wore trilbies for visit . They were visiting a specialised state boarding school called an efterskole . Travelled to the tiny carbon-neutral Samsø Island by ferry . Were joined by King Willem-Alexander and Crown Prince Frederik . Australian royals are in the middle of three-day state visit to Denmark . Later attended a banquet at the Royal Library in Copenhagen .
Queen Maxima and Crown Princess Mary both wore trilbies for visit . They were visiting a specialised state boarding school called an efterskole . Travelled to the tiny carbon-neutral Samsø Island by ferry . Were joined by King Willem-Alexander and Crown Prince Frederik . Dutch royals are in the middle of three-day state visit to Denmark . Later attended a banquet at the Royal Library in Copenhagen .