How much water is in the pipe can only be determined by opening the tank lid and having a look inside.

How much water is in the pipe can only be determined by opening the tank lid and having a look inside.

The picture was taken by "cg" on 21-05-2016 at 14:55
Camera: Nikon D300S
Aperture: f/2.8 | Exposure: 1/125 | ISO: 250