Where in the Forest is this?

Forest of Dean

This one is easy, it's 'Observatory' on the Forest of Dean Sculpture Trail.

Where is this?

But the ones to the right are more difficult but here are a couple of clues:

A - is something to do with water.

B - is something to do with air.

C - is still open to intrepretation.

If you know the answers are send in your answers by email. The email address is on the 'Contact' page.

Answers, whether correct or not, (sensible ones only!) will be posted below:

Where is this ? - A
A - Where in the Forest of Dean (near Whitecroft) is this piece of our heritage? - and what is it?.

Where is this ? - B
B - Where in the Forest of Dean (in woodland) is this piece of our heritage? - and what is it?.

Where is this ? - C
C - Where is this historic site near the Forest? and what is it called?.