[Noon]
Follow the road north along the River. Approach the pumping station which marks the intersection of a drainage canal and the River, with two architectural figures beyond.
Approach one of the volumes.
Enter the volume and follow the ramp around the edge.
Enter the central space. Note the stones below and the sky above. Note the obscured horizon within the space.
Pick up a handful of stones from the ground surface and exit the volume.
Cross the bridge over the channel.
Enter the second volume and place the stones on the ground surface. View across the canal to the opposing figure.
Exit the second insular volume.