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Great Barrier Reef Llanfair pwllgwyn gyllgogery chwyrndrobwllllanty siliogogo goch (Wales)

Great Barrier Reef (132,972 mi²) is 20259 times as big as Llanfair pwllgwyn gyllgogery chwyrndrobwllllanty siliogogo goch (Wales) (6 mi²).