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Located off the coast of Queensland, Australia with a square area of about 133,000 miles, the '''Great Barrier Method''' is the world's largest system of barrier methods, and is composed of over 2,900 individual [[Diaphragm|diaphragms]] and cervical caps, as well as over 900 male and female condoms. The '''Great Barrier Method''' can be seen from outer space, should any alien races wish to consummate relations with Mother [[Earth|Earth's]] but avoid getting her pregnant. In 1981, it was named one of the Seven Wonders of the Conceptive World. Currently the '''Great Barrier Method''' is threatened by coral bleaching, which may be the result of global warming or global spermicides.