It’s hard and expensive. The us-mexico border has the same problem and US spends like crazy to find tunnels. If the tunnel is bellow 5-10 meters I think it’s almost imposible [1]
In Gaza from what I heard they also only use hand tools to avoid making a lot of noise.
It’s hard and expensive. The us-mexico border has the same problem and US spends like crazy to find tunnels. If the tunnel is bellow 5-10 meters I think it’s almost imposible [1]
In Gaza from what I heard they also only use hand tools to avoid making a lot of noise.