Hexagons.

Hexagons and lines.

The front of the gatehouse of the 9th-century Imperial Abbey of Lorsch in Germany.  It’s one of few completely preserved buildings from the Carolingian area and is a UNESCO heritage site.

And now for something completely different:

I found this but cannot find the source:

geometry, the process:

• geometry
• geomecry
• geomewhy
• geomebye

For Cee’s Black &  White Photo Challenge: Any Kind of Geometric Shape.  For more photos of geometric shapes, click here.