Floating cities, again.

In 2014 we wrote an article about Seasteading (link here), the future of cities over the sea, spaces of freedom, efficiency and innovation. In 2015 it was organized a Floating City Project-Architectural Design Contest. You can check the most interesting projects on seasteading.org, but just as an appetizer, see the best two:

Protection against storms, solar power, water treatment... and freedom.