Today more than 75 million girls across the world are forced to go to work and not school. Most of the time only boys have access to education in less privileged countries. So charity organisation Plan along with CLM BBDO created an erasable billboard with an illustration that could be erased to reveal another illustration. The billboard was put up in a central location in Paris and Berlin. Passersby in both locations were given a chance to make a donation in exchange for a rubber that could be used to erase the drawing. The results…