Hi Steemians wishing you all the very best.
I came across this article witten by Alex Matthews-King
‘Biological wonder’ of 200 million mounds saw soil equivalent to 4,000 great pyramids of Giza excavated by insects.
https://www.independent.co.uk/news/science/termite-mounds-visible-space-brazil-pyramids-brazil-salford-biology-study-a8641391.html