An intimate and inspirational portrait of Segway inventor, Dean Kamen, and his 15-year quest to solve the world's safe water crisis. SlingShot...
Bepul cheksiz kirish, Hech qanday reklamani qidirmang, Millionlab sarlavhalar va har kuni qo'shiladi, Barcha platformalar va to'liq optimallashtirilgan, Hamma joyda va istalgan vaqtda
