File:201108311014 terrain.png

Summary
Source: https://twitter.com/jeb_/status/109122885343391744 https://imgur.com/LxbYC (https://web.archive.org/web/20210118194515/https://imgur.com/LxbYC https://web.archive.org/web/20210118201456/https://i.imgur.com/LxbYC.png)