Her Majesty was accompanied by the President of Germany, Mr. Joachim Gauck, as well as local dignitaries. According to RVD:
The exhibition includes hand-made pieces such as furniture, jewelry, glass and ceramic utensils, accessories and handmade couture pieces, complemented with various crafts and historic objects from the Royal House Archives. The exhibition was commissioned and organized by the Kulturstiftung DessauWörlitz, in close cooperation with the Dutch Embassy in Berlin and the Royal House Archives.
For more information about the exhibition, Dutch Design: Huis van Oranje, please visit their official website here.
Source: RVD/HKH