Side sliced

 

View from the side

 

Slice, stain, and zoom in - nice.  An orthogonal view of a zone.

Sliced and stained

 

Green - orange - blue zones

 

The transition zones and migration layers are visible in this sliced, stained, and zoomed-in sample.  The colors were slightly tweaked on-post to enhance the visibility of the regions.

  

Sliding to the left

Seat shadows

The slanting sun casts seat slat shadows on the sidewalk.