Try looking at this picture from a distance. I've found that it appears to become more lifelike as you back up.
Michigan artist Eric Daigh creates these incredible portraits using ordinary pushpins!! According to his website, between 25,000 and 100,000 pushpins are used for each piece.
Here's the artist and his wife.
I wonder if he's built up a lot of strength in his fingertips?
Here's an interesting article on Eric Daigh if you'd like to see more of his amazing work!