Stock Photo - Princess Beatrix and Princess Mabel of The Netherlands attend the 3rd Prince Friso engineering award at the TU Delft, The Netherlands, 19 April 2017. Winners are Dr Martin Baptist, senior scientist at Wageningen Marine Research; Dr Rolf Hut, researcher and lecturer at the TU Delft and Dr Rick Scholte, founder and managing director at Sorama B.V. Photo: Patrick van Katwijk NETHERLANDS OUT POINT DE VUE OUT - NO WIRE SERVICE - Photo: Patrick van Katwijk/Dutch Photo Press/dpa | usage worldwide. - Delft/Netherlands

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