Transcription: I have often observed that the mammoth is capable of sleeping while standing up, sometimes sustaining its inactivity for days on end. While playing golf one day, I noticed that the grass growing in the shadow of a particularly inert mammoth was less green than that on the rest of the course. I decided to see whether images other than those of mammoths could be captured. Back in my yard, I paid a local family to stand in a line at the edge of my lawn. Having designed restraints for the younger members of the family, I had them return for the next five days, each time standing in the same places ...