Perfusion Art: The Sentinel
![](https://perfusion.com/wp-content/uploads/2019/01/13.jpg)
“The Sentinel“ _____
Photographer: Unknown
Equipment: Digital
Editing: Photoshop: Contrast Elements: Cropping
Narrative: A remarkably vital part of the ECC- this is the stopgap for air entering the system, as well as a gatekeeper controlling flow direction
Time & Place: FB contribution
About The Artist: Unknown