Will we see underwater cities in the future?

German Architect and futurist Wolf Hilbertz wrote extensively on ont a future where we would live in buildings and cities under the ocean. He even invented a technique to build such habitats, using the carbon neutral technique of sea water electrolysis to create what is called seacrete. We are now more than 40 years past the time of his writings, and 13 years past his death, but still have only a few small examples of underwater habitats in the forms of submarines and posh hotel rooms.

What do you think, will he dream be achieved and will people soon be moving under the oceans?

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