Dot Zero is the foundation of the surveyor. The point to measure all other points from.
The "site", in its elemental, ontological definition a point, infinitely small but infinitely precise, became the conceptual impulse for the following exercise and score:

1.) Fill the origin of a corner (Dot Zero) with clay

2.) Retrieve the clay corner from Dot Zero and 

3.) Position the clay corner three inches away from each wall of the corner

4.) Press your head against the left wall and

5.) Try to look at Dot Zero

6.) Now look at the clay corner's Dot Zero

6.) Repeat the previous three steps with the second wall