B-Roll of Tampere, Finland courtesy of Visit Tampere Ltd. Photographer Laura Vanzo.

On today's episode of In Depth, Zac & Jesse talk to the founders of Polar Night Energy, a Finnish company that is using sand for energy storage? #polarnightenergy #nowyouknow #greenenergy

Learn more about Polar Night Energy at their website:
https://polarnightenergy.com/

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