15 BIGGEST Holes in the Earth

Our planets surface is covered in peaks and troughs that have been formed naturally over thousands, or millions of years and artificially by human activity in recent times. The surface layer, known as the crust, is so thick that theres no known cavity that burrows through it to reach whats beneath, but theres certainly plenty of holes that reach far down to extraordinary depths, or cover such a wide area that its almost impossible to know youre actually in it. Its time to go deeper than ever before, as we explore the top 15 biggest holes in the earth. , top15 Several segments are licensed under creative commons For more video information, please visit our website. The Top Fives show brings you informational and entertaining top five videos Join us and subscribe for more. Follow Josh on Instagram Founder and producer of the Top Fives show. Stay up to date with the channel and everything YouTube and busi