Wuppertal, Germany. 26th Nov, 2021. A traffic light man with the face of Friedrich Engels shines in front of the Engels House. On the occasion of the Engels Year, the city has installed the traffic light man opposite the Engels House at a pedestrian crossing. Friedrich Engels (1820-1895) was born in the Wuppertal district of Barmen and wrote 'The Manifesto of the Communist Party' together with Marx. Credit: Oliver Berg/dpa/Alamy Live News Stock Photo