innsertnamehere
Superstar
observation monitoring caps like that usually have an iron rod below it that surveyors use to ensure that the ground isn't moving, They usually install them around excavation sites in urban environments to ensure the ground around the pit isn't moving.
It isn't to monitor water levels. Now why they were installed here, I don't know.
It isn't to monitor water levels. Now why they were installed here, I don't know.