In the image below, the Glossy setting is not ideal as we can see a clear reflection of the adjacent pool and concrete wall. The stone is not reflective however, it did darken up the mortar joints.

Dry stone walls are not built with mortar, but careful selection of interlocking stones ensures they are strong – the oldest ones in the UK date back thousands of years. Bernard McEnroe ...

The wall partially pinned Stone's lower body ... unusual about the wall and he did say that he noticed some of the mortar had cracked and chipped around the bottom of the wall," Noles said.