Every 10 weeks, the beds inside the mushroom rooms are filled with compost mixed with spores, and covered with peat moss. The spores germinate and create a thick web of white threads called mycelia, shown here. As the fungi try to reproduce, they send up their fruit — the mushrooms.

Every 10 weeks, the beds inside the mushroom rooms are filled with compost mixed with spores, and covered with peat moss. The spores germinate and create a thick web of white threads called mycelia, shown here. As the fungi try to reproduce, they send up their fruit — the mushrooms.

Every 10 weeks, the beds inside the mushroom rooms are filled with compost mixed with spores, and covered with peat moss. The spores germinate and create a thick web of white threads called mycelia, shown here. As the fungi try to reproduce, they send up their fruit — the mushrooms.

Every 10 weeks, the beds inside the mushroom rooms are filled with compost mixed with spores, and covered with peat moss. The spores germinate and create a thick web of white threads called mycelia, shown here. As the fungi try to reproduce, they send up their fruit – the mushrooms.