There were no intelligent mushrooms, but there were unintelligent ones – the inner parts of each room were covered with mushrooms of various sizes and shapes.
Erika examines the walls, floor, and ceiling for anything else "unusual." She estimates the sizes of the mushrooms, from the smallest to the largest...
Если где-то чего-то убудет, то в другом месте добавится.
(Закон сохранения).