The poster comments on the subject (racism) in a non-direct way, trying to invoke the reader visually into the inevitable conclusion. It has multiple reads, that provoke critical thinking and raise awareness on the subject and its results globally.
30 affiches et posters graphiques pour votre inspiration
This element of design is Negative Space. The hand isn't actually holding anything. It implies that there is a light bulb in the empty space. Negative space guides your imagination to finish the image.