Detailed text transcripts for TV channel - CNN - 20210626:04:23:00
I shot it wide just so we could see those things. you have the guys on top, who are listening and checking with a probe. >> yes. >> and then, in the middle, they have de-layered, as you guys call it. and they've blocked it up with wooden blocks and then they send in a sensor or a camera and then a dog. >> correct. >> and they said that they'd been doing that, spot by spot. this is the process. >> absolutely. so, there is just a few of them on top. they're using a delsar system, which is a listening device. and actually, they can pick up sound, scratches, back-and-forth movement. so they're try...
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