The handsome chap in the middle? No face masks? Didn't it get a bit dusty? Also, holding that bit of the drill, I presume it wasn't working at that point. Looks like a dead cert for vibration white finger. Might be good money, but I don't think I could take being that enclosed.
On a technical point, what provided the illumination for the camera? Modern cameras are way better at coping with low light situations; and I wouldn't imagine that the tunnel was that well-lit.
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The handsome chap in the middle? No face masks? Didn't it get a bit dusty? Also, holding that bit of the drill, I presume it wasn't working at that point. Looks like a dead cert for vibration white finger. Might be good money, but I don't think I could take being that enclosed.
On a technical point, what provided the illumination for the camera? Modern cameras are way better at coping with low light situations; and I wouldn't imagine that the tunnel was that well-lit.