This is from about 5 years ago, and is a fairly old one. Being in a folder named "old" is always a good indication...
The design lacks a consistent style throughout the whole structure. Not that I've overcome that today. I still can't quite figure out, but it stands out quite a lot in this one.
The only "desert" part of this is the sandy color, I guess.
The joints would probably get clogged with sand so fast without any covers over it.