Te koop: ei van de uitgestorven olifantsvogel

TOPSHOTS An employee of Christie's auction house poses with a complete sub-fossilised Elephant Bird egg in London on March 27, 2013 during a press preview of their April 'Travel, Science and Natural History' sale. This pre-17th century egg of the extinct Elephant Bird, the largest bird ever to have lived, is approximately 100 times larger than the average chicken's egg and is estimated to fetch 20,000 - 30,000 GBP when it goes on sale on April 24, 2013. AFP PHOTO / JUSTIN TALLIS AFP