sentences:  On August 2, 1975, the two parties reached in Vienna the Voluntary Exchange of Population Agreement, implemented under United Nations auspices.In accordance with this Agreement, Turkish Cypriots remaining in the south moved to the North and Greek Cypriots remaining in the north moved to the south with the exception of a few hundred Greek Cypriots who chose to reside in the north.After that, the separation of the two communities via the UN-patrolled Green Line prohibited the return of all internally displaced people.