The discovered reason why there is a rock Farm in MLP

This video talks about why the rock Farm exists in the MLP universeAnd how they grow the rocks and what they use them for thank N0KKUN For making the Rainbow Dash cutout https://www.deviantart.com/n0kkun/art... thank CreedyBoy124 For making the annoyed Rainbow Dash cutout https://www.deviantart.com/creedyboy1... thank masemj For making the cutout of ton The Rock https://www.deviantart.com/masemj/art... thank Profile Rarity For making the walking cut out of Rarity https://www.deviantart.com/evilturnov... thank GuruGrendo For making the frustrated Pinkie Pie cutout https://www.deviantart.com/gurugrendo...