Most of Holland is below sea level, a drainage basin for three major rivers. In the Middle Ages, people started building dikes to keep the sea out, and today there are about 1000 miles of them. But in 1953, a sea surge inundated 800 square miles of land, killed 1800 people, destroyed 47,000 homes, 200,000 animals and 300 miles of dikes. That and the hurricanes of '93 and '95 spawned the design and construction of one of the engineering wonders of the world, the Delta Works and Measlandkering. The Delta Works is a series of massive, computer-controlled sea barriers and dams that straddle each of the major rivers emptying into the delta. The Measlandkering is a gigantic and beautiful sea surge barrier a quarter-of-a-mile wide that consists of two horizontal, curved hydraulically-run walls, each of whose giant sea "arms" is 1000 feet long. Powered by water and electrically-driven windmills, it has over 60 75-foot-high floodgates that remain up in good weather, allowing the three rivers...
In Japan, plans are on the table to build the tallest structure on earth. Called Sky City, it will be a kilometer tall, twice the height of any existing building. The towering, vertical city will...
As they explore this huge continent with Spin, National Geographic's animated globe-on-the-go, kids will experience the incredible ways that zebras, meerkats, rhinos, and elephants survive in the...
In the 1990s, the government of Hong Kong undertook the largest civil engineering project in history: building a new international airport 16 miles out to sea. They had no other choice. The old...
Tokyo is one of the most crowded cities in the world with nowhere left to build. To relieve the stress on a city bursting at the seams, engineers have trained their imaginations to the only vacant...
It is one of the largest, most technically and environmentally challenging infrastructure projects in American history. It contains possibly more "engineering marvels" than any other single...
Already on the drawing boards, The Bridge rejoins North America and Asia. It will generate unprecedented economic growth on both continents and is another link in The Great Global Highway...
The world's great cities have always struggled to find a balance between the need to attract more and more people and their ability to transport them efficiently. For almost a century, New York...
A Trans-Atlantic floating tunnel carries 5000-mile-an-hour, Mag-lev (magnetically levitated) trains between New York, London and Paris. The train makes the 3100 mile journey in less than an hour....
Every day ships the size of a city block transport goods through the Panama Canal, one of the world's most vital waterways. For almost a century, it has permitted almost every type of ship...
Did you know that the city of Amsterdam has more bridges and canals than Venice? And that nearly 80% of the population of the Netherlands owns a bicycle? These are just a few things that Samantha...
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