Betrayal has long lasting consequences
Answer:
This piece is an example of silverpoint. The values in a silverpoint work are created by using a thin wire that is held by a cylinder-shaped holder. The artist must slowly build up scratches overtime, in order to created darker values. The greater the etching or scratching, the darker the value. This medium is challenging because it cannot be erased and it takes a long time.
If this is the picture of the bird with the columns on the sides of the picture, then that is the answer.
Ultra violet rays (taking pictures of the sun or any type of bright lights) water damage, sand, and a lot of lens damage such as smudges anf cracks can really damage a camera