The waterproofing lining goes up.
Soil is added. This is the soil removed from the foundation footings. Lets hope for rain so that it grows (sorry folks).
I added some logs to encourage biodiversity, this should help to create different habitats for plants and bugs.
I started fitting out the inside. This is turning out to be the hardest bit, deciding where everything should go. I don't want to have to shift it all about again. Its all about ergonomics.