20110921 - NEW YORK, UNITED STATES: (L-R) Prince Amadeo of Belgium, Princess Maria-Laura of Belgium and Princess Astrid of Belgium pictured on a ferry to Brooklyn, Wednesday 21 September 2011 in New York, USA. Princess Astrid is on a visit to New York to celebrate the UN decade to the Roll Back Malaria partnership. BELGA PHOTO BENOIT DOPPAGNE