08 April 2019, Berlin: Climate activists Svenja Kannt (l-r), Sebastian Grieme, Linus Steinmetz and Sana Strahinjic, together with presenter Tom Patzelt and Johanes Vogel, General Director of the Museum of Natural History, will present the concrete demands of the German Fridays For Future movement at a press conference in the Sauriersaal of the Museum fur Naturkunde. For a few months now, schoolchildren, students and trainees have been on strike every Friday throughout Germany for better climate protection. Photo: Bernd von Jutrczenka/dpa