Lingjing Miniature Bird Sculpture (IMAGE) CNRS Caption Photo (top) and 3D reconstruction using microtomography (bottom) of the miniature bird sculpture. Its production combined four different techniques (abrasion, gouging, scraping and incision), which left 68 microfacets on the surface of the object. Credit © Francesco d'Errico and Luc Doyon Usage Restrictions May only be used with appropriate credit and caption, to report on this discovery. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.