1. Modern ways to control water.
(a water highway;)
The bridge “Magdeburg” (Germany) – you need to look at it a number of times to understand what is actually happening.
It’s a bridge that goes over the Elba river. It allows boats easy access into canals. It cost more than 500 million Euros and took 6 years to build
2. Colossus of the sea
The biggest ship in the world.
Used for the heaviest, and biggest of things needing transport 
…Oil refinery 
Military radar... 
How it can be loaded at sea...
1. It sinks under the water…
The ships park on top…
And then it raises itself!! 
3. Wind farm in the middle of the ocean
20 km from the coast of Denmark, you will find “Horns Rev”, the biggest wind farm in the world. 80 turbines 110 m tall, capable of 160 MW
The fins are 30 m long.
More info: www.hornsrev.dk
4. Fantasy road that exists part of the time - Arctic highway
The highway between Tibbitt and Contwoyto in Canada.
Most dangerous road in the world. It is over 500km long and consist of 85% frozen lakes. The ice can break at any time.
Here is a series of truck on the ice – each 70 τons.
This road can only operate / come into effect during the coldest months of the year. When the ice becomes strong enough every year the road is made. 
Some people try and pust their luck at the end of a season…but in the end nature has the final say. 
More info: link
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