States — Conditions of Statehood — Territory — Population — Government — Artificial island constructed by State outside its territorial waters and subsequently abandoned — Whether capable of constituting a State — Whether residents a people

Territory — Definition — Whether territory of a State must be part of the surface of the earth — Artificial island — Self-determination — Definition of a people

Sea — Islands — Artificial island — Whether capable of constituting sole territory of a State

Nationality — Individuals — Loss of nationality — Loss of nationality of birth by voluntary acquisition of new nationality — The law of the Federal Republic of Germany