How does fracking work?

Hi guys!
Do you know why fracking is so dangerous and why so many people oppose it?

There are some interesting things going on in the process of extracting gas using fracking technique. Check it out in the video bellow:
https://www.youtube.com/watch?v=Tudal_4x4F0

Share the good things in life with others!

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See you next time @clahan
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