Grille on NW Glisan

A cross between Keith Haring and Henri Matisse?

There are three of these in a row. The tops align, the heights get shorter as the sidewalk advances uphill. You can see another one here.

They could simply have covered the opening with wire mesh, which would provide the same protection and ventilation. But these charming pieces add privacy, humor, and a quirky individuality that is appropriate to Portland.