Some people have too much time on their hands.
On a different note, agree with one of the higher level comments. Egypt doesn't look as rectangular as other countries: perhaps it's the country whose concavity and convexity are best cancelled?
Edit: Co-incidentally, the comment I was referring to was yours, parent post. I was unaware when originally posting.
http://mysite.science.uottawa.ca/mnewman/LockhartsLament.pdf