Primitive Grain Storage Technique
...-age style (c. 400 BCE.). Turns out all you need to do is dig a pit in the soil. The pits they dug are circular, and look to be 2 or 3 feet in diameter, and maybe 3 or 4 feet deep. So you may ask, how can you pour grain into a hole in the ground and expect it to keep? The secret is a clay cap on the top. In the screen grab below you can see the cap and some feet for scale: If you go to YouTube, you can watch this sequence starting around 52:36, bu...