Hundreds Of Four and Six post structures.
An Iron Age Site
Lots of imported plants over 40 types of weed
Wattle and daub panels
Granaries raised of the floor - keeps away the rats - allows circulation of the air.
Building roundhouses required experimentation with the sloped roof, the fire location and if a smoke hole is neccescary.
Site experiments with crop growing and animal husbandry.
Four posters might have been raised granaries. To test this idea several full scale models were built at buster ancient farm.