Essentially because the aperture (hole) is so small it bends the light a manner that inverts the image. it is not just upside down but it is also reversed image
I say abstraction because it means "<span>freedom from representational qualities in art."</span>
Answer:
Elements of art are stylistic features that are included within an art piece to help the artist communicate. The seven most common elements include line, shape, texture, form, space, colour and value, with the additions of mark making, and materiality.