Antoine Antoniol/Getty Images
Artem Geodakyan/POOL/AFP via Getty Images
Philipp Hoy, University of Rostock
Cate Gillon/Getty Images
Reuters/Lucas Jackson
Emilio Morenatti/AP
Grace Dean/Insider
Jorge Castellanos/SOPA Images/LightRocket via Getty Images; Valiantsin Suprunovich/Getty Images
Courtesy of Lena Frechen