© Licensed to London News Pictures. 27/03/2013. London, UK. James Hyslop, a Scientific Specialist at Christie's auction house holds a complete sub-fossilised elephant bird egg on March 27, 2013 in London, England. This elephant bird egg which measuring 100 times the average size of a chicken egg is expected to fetch 30,000 GBP when it features in Christie's sale, which is to be held on April 24, 2013..Photo credit : Peter Kollanyi/LNP
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