Hao Liu, Professor of Biomechanical Engineering of Graduate School of Engineering at Chiba University in Japan, holds the Hummingbird bionic robot at the International Workshop on Bio-Inspired Robots in Nantes, France April 7, 2011. Some 200 bio-robot technicians from 17 countries participate in the three-day event to show the latest developments in robots inspired from the animal world. [Photo/Agencies]
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