Left image: A close up image of a traffic light meant for pedestrians and bicycles. The light has a stick figure of a human placed vertically above a drawing of a bicycle. Both are lit up in red, and inside the same circle.
Right image: A traffic light pole with 2 lights.  Currently  the top red light is lit up. The light is a pedestrian light, but the symbol on it looks phallic, 2  circles and a cylinder between them. It is presumably not meant to look phallic but the  distance blurs the actual figures on the light.
This image is funny because images of very regular things - a stick figure and a bicycle, get converted into  looking phallic from a distance.