The Floating Stadium of Singapore

Known as The Float at Marina Bay (or Marina Bay Floating Platform), this floating stadium is the world's largest floating stage. It is located on the waters of the Marina Reservoir, in Marina Bay, Singapore.
Made entirely of steel, the floating platform measures 120 metres long and 83 metres wide. It can bear up to 1,070 tonnes, equivalent to the total weight of 9,000 people, 200 tonnes of stage props and three 30-tonne military vehicles. The gallery at the stadium has a seating capacity of 30,000 people.
The stage took 13 months to build, and by April 2007, the platform and seating gallery were completed.
I think it's a great idea, but the grandstands seem to be quite far.

World First Vertical Ship SeaOrbiter

The world’s first space station of the sea “SeaOrbiter”, which is also the world’s first vertical ship will be built. The structure measures 51m (167ft) in height. It will be used mainly for research that allowing revolutionary view of life underwater and also be a useful tool for studying the link between global warming and the oceans.

The vertical ship was designed by the inventor Jacques Rougerie. It will use anti-collision system like the one used by the international space station
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Above the sea level, an upper lookout deck will raise 14 metre above the surface of the sea; there will be a tempoline deck with outdoor relaxation zone and an access deck for maintenance area, research zone, workshops and anticollison system.

Under the water level, there will be a service deck for kitchen, storage and showers, living area, laboratories and a pressurised deck for divers to undertake daily missions over a period of months.

When the SeaOrbiter does first set sail, there will be six crew members, six scientists and six more people on board - these may be astronauts
training in extreme conditions or doctors studying submarine human behaviour.

Here’s the image of the SeaOrbiter with its compartment.

THE WIDER VIEW: Taking shape, the new bridge at the Hoover Dam

THE WIDER VIEW: Taking shape, the new bridge at the Hoover Dam

Creeping closer inch by inch, 900 feet above the mighty Colorado River, the two sides of a $160 million bridge at the Hoover Dam slowly take shape.
The bridge will carry a new section of US Route 93 past the bottleneck of the old road which can be seen twisting and winding around and across the dam itself.

When complete, it will provide a new link between the states of Nevada and Arizona . In an incredible feat of engineering, the road will be supported on the two massive concrete arches which jut out of the rock face.

The arches are made up of 53 individual sections each 24 feet long which have been cast on-site and are being lifted into place using an improvised high-wire crane strung between temporary steel pylons.

The arches will eventually measure more than 1,000 feet across. At the moment, the structure looks like a traditional suspension bridge. But once the arches are complete, the suspending cables on each side will be removed. Extra vertical columns will then be installed on the arches to carry the road.
The bridge has become known as the Hoover Dam bypass, although it is officially called the Mike O'Callaghan- Pat Tillman Memorial Bridge, after a former governor of Nevada and an American Football player from Arizona who joined the US Army and was killed in Afghanistan. Work on the bridge started in 2005 and should finish next year. An estimated 17,000 cars and trucks will cross it every day.

The dam was started in 1931 and used enough concrete to build a road from New York to San Francisco . The stretch of water it created, Lake Mead , is 110 miles long and took six years to fill. The original road was opened at the same time as the famous dam in 1936. More photos below .

An extra note: The top of the white band of rock in Lake Mead is the old waterline prior to the drought and development in the Las Vegas area. It is over 100 feet above the current water level.

7 Engineering Wonders of the Modern World Contemporary World Record-Setting Construction

Venice, Italy: The Venice Tide Barrier Project will be the largest flood prevention project in the world. The project has been debated in one form or another for over 40 years as a way to protect this historical city-on-the-water for future generations. With Venice slowly sinking, and the water around it slowly rising, and floods always a fear, Italians have known for a long time that something needs to be done. Finally, the Prime Minister of Italy approved the second phase of the plan, including 80 hinged barriers, each approximately 6,500 square feet.

Zhangjiajie, China: The Bailong Elevator is the world’s largest exterior elevator. At over 1,000 feet tall, this elevator looms high midway up a cliff overlooking a valley far below. Moreover, the elevator is mostly glass, affording passengers a dizzying view to the depths below. There is some concern, however, about the elevator’s long-term impact on the surrounding natural environment.

Millau, France: The Millau Viaduct is the highest bridge in the world. At almost 1,000 feet high (taller than the even the Eiffel Tower) and over 8,000 feet long it sometimes sits above the cloud line, as shown in the beautiful photographs above. The engineered wonder of the bridge itself is nearly as amazing as the view of the valley below.

More, Norway to Easington, Britain: The Langeled Pipeline is slated to be the longest underwater gas pipeline in the world. It will ultimately supply 20% of Britain’s gas needs, connecting England to the largest gas field in Europe via 750 miles of complex underwater terrain. Engineers have had to account for subzero temperatures an stormy waters in addition to developing techniques for installing the pipeline in the first place. They are able to lay an amazing 8 miles of pipe per day.

Yangtze, China: The Three Gorges Dam has drawn fire from people around the world for its role in raising water levels and displacing millions of Chinese residents in the area. As a work of engineering, however, it is unparalleled. It will be the largest hydroelectric dam in the world, 600 feet high and holding 1.4 trillion cubic feet of water behind 100 million cubic feet of concrete. This engineering wonder will also eventually provide as much as 10% of China’s vast power needs.

Boston, Massachusetts: The so-called Big Dig is a massive tunneling project in the heart of Boston, and is the most massive and expensive construction project in the history of the United States (at 15 billion dollars). Disaster and scandal have haunted this endeavor from the beginning, including accidents, deaths and even arrests for criminal negligence. Engineers were forced to navigate a maze of subways, pipes and utility lines in the course of the project, all with minimum disturbance to the bustling streets of Boston above.

Mubarak, Egypt: The Toshka Project is an amazing attempt to convert a half million acres of desert landscape into arable land. The Mubarak Pumping Station is at the center of this effort, and will channel millions of cubic feet of water per hour. It will ultimately redirect 10% of the country’s water from the Nile and will increase the inhabitable land in Egypt by as much as 25%.