Mortar and Brick
The concrete walls were reinforced with mortar and brick, which was another buffer to protect from air raids. Even after the father-son pair unearthed the discovery, their work wasn’t done, though. At that time, they were 5 feet down and had about 5 more feet to go!
Mortar And Brick
Another Discovery
They found that one of the walls had been bricked up. Simon didn’t feel that they could find more rooms, but they didn’t know for sure. He told his dad that they had to leave it, but the story went viral!
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Another Discovery