Shadows are created when an object blocks light from the Sun or another light source. When the light can't pass through the object, it makes a dark spot on the ground or wall behind it ...

Cats and dogs will chase a laser light or a small toy on a string ... he repeatedly poked his nose into the wall. We know the nature of shadows, but Charlie displays no comprehensive ability.

The wall is very pictorial ... And so I made the pictures in colour to keep the sense of life." "The topic of shadows and ...