دون علم آنذاك، لأننا كنا قد شاهدنا الخارج فقط، السطوح كانت تستمر في طي ذاتها، وتنمو داخل العمود، والذي كان اكتشافا مفاجئاً.
Unbeknownst to me at the time, because we had only seen the outside, the surfaces were continuing to fold themselves, to grow on the inside of the column, which was quite a surprising discovery.