The whole thing actually looks very amateurish, poured concrete and a concrete-block wall and then wooden racking for the valuables, not individual lockboxes?

The whole thing actually looks very amateurish, poured concrete and a concrete-block wall and then wooden racking for the valuables, not individual lockboxes? That approximately describes my basement. It also looks like they used a tungsten-carbide core drill which means there can't have been any, or very effective, reinforcing steel in there.