Someone with a proper camera located at the same position could, by subtractive technology, overlay and compare these two photos to show the work done on Weds 23rd. But the Department of Ag's satellite will have perked up and reported a change in the landscape last week. Despite the hill-face being steepest in this view the area cut of ferns looks foreshortened here: drone or satellite would be better.
Prev. Pic tok tea tim Tue 021 Sep 021 [recording Monday's work]:
Pic tok mor nin Thu 023 Sep 021 [recording Wednesday's work]
It's not every day that you can see a clear result from that day's labour.