Romania   Watched by Her Excellency, Mrs. Maria van der Hoeven, Dutch Minister of Education, Culture and Science, ESA astronaut Prof. Wubbo Ockels prepares a water rocket for launch at the Opening Ceremony of the Physics on Stage 3 festival at ESA-ESTEC in Noordwijk, The Netherlands, on 10 November 2003.   Last update: 17 July 2007