Logo of Bayer is pictured on a billboard for its painkiller Aspirin at the headquarters in Leverkusen...
The logo of German chemical and pharmaceutical company Bayer is pictured on a billboard for its painkiller Aspirin at Bayer AG's headquarters in Leverkusen, near Cologne, Germany, July 29, 2019. Picture taken July 29, 2019. REUTERS/Wolfgang Rattay