elevators
The World’s Largest Elevator Can Lift 6.7 Million Pounds of Ship

There are a lot of logistical problems that pop up when you build a 600-foot structure like the Three Gorges Dam in China’s Hubei province. For example, how do ships navigate the sudden extreme difference in water heights on either side of the dam? That’s an easy one. You just build the world’s largest elevator capable of lifting 6.7 million pounds of boat and water. Read More >>