Pencil drawing is hard. It's not like paint. You can't just launch a pint of Dulux on canvas and say 'bu-bu-bu-but Jackson Pollock'! Take the above image for example. This pencil drawing, by Adonna Khare, is absolutely massive and the detail is incredible.
The large scale of this thing can be seen above, and we've got one of the more close up images below, but we absolutely recommend heading to Empty Kingdom to check out more incredible photographs of this mental piece of work.
Remember. This was drawn with pencil. A pencil!
Adonna Khare and her Pencil [Empty Kingdom]