Enjoyed a great celebration 50yrs European Space Research and Technolgy Centre @esa #ESTEC50 Interesting/funny stories of past and present, by colleagues, directors, government and enthousiastic Young Graduate Trainees w/passionate ideas for a bright future in space @ESA_nl pic.twitter.com/jDCLIMeUpN

— André Kuipers (@astro_andre) April 4, 2018