A woman takes photos of an architectural model at the National Technical University of Athens during European Researcher's Night in Athens, Greece, on Sept. 30, 2016. Greek universities and research institutes opened their doors to the public with scientists showcasing their work to children and adults, and stressing the need for more funding to continue their projects. It is part of the European Researchers' Night, the annual event celebrating science and research across Europe. (Xinhua/Lefteris Partsalis)
