Atlantis was destroyed.

The Maldives and a host of Pacific Island states will disappear our twenty first century Atlantis.

A third of Bangladesh will be underwater by the end of this century. The Maldives and a host of Pacific Island states will disappear our twenty first century Atlantis.

describes a flat planet much like the Earth as described by Flat Earth Society, except it has a hole at the centre instead of a North Pole, and the underside contains fictional lands such as Atlantis and Lemuria.

A fictional city refers to a town, city or village that is made up for fictional stories, and does not exist in real life, or refers to a settlement that people believe exist without definitive proof, such as Plato's account of Atlantis which some believed was fiction while others believed it existed.