With soft areas going at 4mm per year I wonder if it could be measured by an average person using consumer tech. Uneven changes at the base of a tall building could be magnified to a couple cm at the top year to year.
With soft areas going at 4mm per year I wonder if it could be measured by an average person using consumer tech. Uneven changes at the base of a tall building could be magnified to a couple cm at the top year to year.