Way back in the mid-1980s, I created a bunch of mini dioramas of desert scenery, featuring the types of plants and terrain found in parts of the Anza-Borrego desert of San Diego County. These were sealed under glass domes and given to various family and friends for Christmas.
One of these little dioramas has just come back into my possession. It's four inches in diameter. Here are a few photos of it. The colors have faded slightly over the years, and it's kind of hard to get good photos through the glass: