Metamorphosis III excerpt 6 , by m c escher , 1968 , tessellation , Op Art style , from the series Metamorphosis , animals, birds, Pattern
A black and white image of birds flying over a mountain.
A black and white image has a border. On the border there is a pattern of triangular shapes. There are also birds flying in the same pattern. The birds are black and the birds are flying in different directions.