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Economist, podcaster, producer, owner of Graukaue

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Graukaue

The pits
There's Graukaue 2 and Graukaue 1.

Shows by Graukaue

Graukaue 2

Underground with Michael Holtkamp

Under the roof of the Gray Coe there are countless microphones, with each microphone being suspended from the ceiling just like a clothes hook. At the beginning of a shift, each miner lowers his microphone, like the announcer in a boxing ring did in the past. When the bell rings three times, the crew goes down into the mine. Glückauf!

feeds.graukaue.ruhr/gk2

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The bell system
This is how I communicate with the outside world.

+49 2362 9666346

michael@holtkamp.ruhr

@michamaenneken

Michael Holtkamp

@michamaenneken@ruhr.social

@michamaenneken

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Dr. Michael Holtkamp