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Billenium (or Billennium) is a short story by British author J. G. Ballard, first published in the January 1962 edition of Amazing Stories (Volume 36, Number 1)[1] and in the Billennium collection. It later appeared in The Terminal Beach (1964), and The Complete Short Stories of J. G. Ballard: Volume 1 (2006). With a dystopian ambience, "Billennium" explores themes similar to Ballard's earlier story "The Concentration City", of space shortages and over-crowding.
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