This is inside the barn. They were meant to be used for one year, but that ended three years later.
Well it s a long story to tell here, but for us interesting as we live in this place from 1979.It is now in use as an office for the allotment complex.
https://www.almere.nl/over-almere/historie/erfgoedhuis/columns/het-bivak. (is a side about this history.)