ABSTRACT
Many ancient structures standing today are assumed to have been well built, and remain standing because they were well built, but this is not necessarily the case.
To extend the idea to nature, even the most durable rocks are attacked by the elements and gradually deteriorate, so it is unreasonable to assume that a structure made from the same materials will last without any maintenance. In fact, we tend to use the weaker, more workable material in our structures, which makes the problem worse.
