March 4, 2017 Mins :31 Year Released:2017 2017-03-04 Can you make it to the top of this pyramid workout? The intervals go from 15 seconds to 60, and back down again. Sprinkled in are short cardio intervals to keep you going. Watch on Amazon Previous article14 Ways to Keep Your Cell Phone Charged at 100% Any time, Anywhere In the World. Must watch for USA & World Travellers, Preppers, Hikers & Bug Out Bags. Stay Safe with a Charged Cell Phone. by StevenNext articleWe Want You! U.S. Army Recruitment Documentary