What does parent-child reading silhouette mean?

Parent-child reading silhouette is a photography activity, taking pictures.

Parent-child reading silhouette refers to the joint efforts of children and parents to improve their reading interest. The process of this activity needs to be photographed and recorded, so the word parent-child reading silhouette came into being.

Silhouette can be understood in photography as follows: when we shoot an object with a camera, when the light source is facing the lens, the contrast between the object and the light source is large. If the exposure is small, it will leave the outline of the object, which we can call silhouette.