Why don't we build cities under the sea or off the coasts of popular cities?
Why don't we build cities in the ocean?
Two thirds of the world is covered in water, why hasn't there been a serious attempt by a billionare to a build a floating land colony? What place is best to build cities: underground, underwater, on water, in the air, or in space? Why are most of the cities, located near water bodies, more economically prosperous than ones that are landlocked? Why don't different oceans mix? Why can't we build houses on Treasure Island in San Francisco? What would have happened if the oceans were of fresh water? Why have oceans been explored less thoroughly than space? Why don't we try to convert all the salt water on the earth into fresh water? Why was the ancient city of Dwarka submerged in the sea? Why is the Adriatic Sea important? Why don't we have cars that run on water? Why can't India set up many sea water desalination plants to solve water problems? What if the oceans had fresh water from the beginning? Why is the Salton Sea so important? Why is the water of seas and oceans salty? Why can't we walk over on the water? Shipping: Which are the important sea lanes in the world? Why can't we survive without water? Why is "Riders to The Sea" a tragedy? Why is "Riders to the Sea" considered a tragedy? Why is the sea salty? What if sea water was not salty and potable? How big is specific ocean? Why don't the Great Lakes have tides? Why don't we purify sea water for drinking? If a nuclear reactor dropped in the ocean does practically nothing to harm the environment, why not just dump all radioactive waste in the ocean? Do ships cause the sea level to rise? What are the reasons why sinking boat for the purpose of creating artificial reefs not considered a type of contamination? Why do people from New Jersey never go "to the beach", but instead go "down the shore"? How do countries mark boundaries on oceans?