Did they...

...cut the tree to build the house, or did it grow to its current shape around the cement work of the wall and ledge?

Perhaps it's a bit like the which came first (chicken or egg) question. And the answer is inconsequential now, though I couldn't help wondering. Answers "on a postcard" (or below), please!

Seen near a lunchtime stop-off on the home run, heading south from Madrid towards Alicante province.