The image is a poster for the Hold the Handrail campaign in London, UK. The poster is displayed on a metal pole in a subway station. The background of the poster is a blue sky with white clouds. The text on the poster reads "HOLD THE HANDRAIL" in bold white letters. Below the text, there is an illustration of a person walking up a set of stairs with the words "Mayor of London" and "Transport for London" in smaller white letters above them. On the right side of the image, there are two doors, one on the left side and one in the background.