u/dr_smanggalang

I have been doing some exploration at this underground burning coal seam. Water seems to penetrate through the ground and steams come back up. This is not very obvious in this clip but nearby its much more obvious. My friend is here with a lighter sparking a vent and these puffs of steam come up.

What might be happening here?

This is a 60 watt PA speaker. There's a cable that's sitting on top of the transformer that has been ripped off something. It comes from below the top capacitor on the circuit board on the right. The end of the cable doesn't appear to have solder on it. The transformer bolts had come loose and was just floating around.

Any idea where it might rejoin to?