http://hn.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion/stories/35177167
You're absolutely right, it had a very difficult time and thought it was a city skyline, game or puzzle diagram, and a scale, but after a few hints, it got it: "Considering the hint that the image is part of a human being and the diagonal line is similar to the vertical lines, it appears that the image might represent a hand, specifically an open hand with fingers splayed out.