> Which strengthens hypothesis that the purpose of the hole was the hole itself. Then why did they seal it with glue (that later failed)? We have established

> Which strengthens hypothesis that the purpose of the hole was the hole itself. Then why did they seal it with glue (that later failed)? We have established the hole was made very badly, so you can not also say the person making it knew exactly the right kind and amount of glue that would fail at just the right time. This seems like an accident to me, and someone tried to cover it up.