In Montenegro, one interesting aspect of this is that people are able to use the rocky terrain and far less available space. You can see the rocky soil in some of these images. In our home community, Dobrota, for example, much of this limited space is also on hillsides.
The olive tree shown here is at least 300 years old.
See how a tiny grocery store has a large tangerine tree planted next to its veranda. Most of these plants, trees and vines are varieties that flourish in rocky soil and on hillsides.
Here are a few images.