[Kalimera]

Anledningen till flaskorna är att man vill kunna sätta dit ett stängsel i famtiden om behovet finns!

Jag fick samma svar:

The answer is that people usesing empty bottles into fresh cement, in order to have the holes ready and available for easier, better and stronger support for fresh cement to support the IRON FENCES put on top of the walls, preventing people and animals to go OVER or INSIDE their properties.

Rolf hade rätt. Duktigt.