Heather Rooney is an artist working with Prismacolor colored pencils, and this hyperlapse footage of her sketching Robin Williams will absolutely impress you.

In fact, her hyperrealistic portrait of the beloved late actor looks so much like a photograph, you wouldn't believe it was a drawing unless she'd shown you how she did it!
A month later, we're all still hurting after Robin's passing, but works of art like this help immortalize his beloved spirit in the most special way. 

Watch the making of her masterpiece below.