Lube tube, the highest and longest in the world, Britain has recently opened its doors to welcome visitors to buy tickets. According to CNN’s coverage.
Lube tube tunnel with a length of 178 meters, a height of 115 meters above on the tower ArcelorMittal Orbit in the Olympic park Queen Elizabeth of London. For those visitors who dare to ride the pipe lubricant 30 and brake rotating in a circle round 12 at a speed of 24 kilometers per hour (glide down under 40 seconds. More info CNN