"What is this on the outside of the front of houses? A whole neighborhood had these (AZ)"
A: "It’s just for decoration. It’s created with an extra piece of styrofoam that is then stuccoed over. Most new homes offer 3-4 elevation options for each home. It’s supposed to create some design diversity using non-functional elements like this."
Yeah, that "special" finger !
. The balls are added to help in grinding the ore.