Nazi Concrete
- Episode aired Apr 23, 2019
- TV-PG
- 40m
The group finds a possible backdoor. With ground penetrating radar, they find a void. They inspect the damage after a typhoon. They decide to drill for the void and may have hit Nazi Concret... Read allThe group finds a possible backdoor. With ground penetrating radar, they find a void. They inspect the damage after a typhoon. They decide to drill for the void and may have hit Nazi Concrete.The group finds a possible backdoor. With ground penetrating radar, they find a void. They inspect the damage after a typhoon. They decide to drill for the void and may have hit Nazi Concrete.