Header Challenge - What's that?

There are lots of buildings around here with cupolas on the roof. They also have wind vanes, directional arrows and birds or animals adorning the top. This pair adorns the top of the local rescue company. But what is that gray tube between the cupolas?

 

What's this bug?

  

 What's this? (Delicious harvard beets made by Marianne!)

 

What's this?

The return of blue sky after a couple of weeks of gray with intermittent rain. (Nothing like the rain our family and friends in South Carolina got.)