![](http://www.alamy.com/thumbs/6/E9DC3AA9-FD57-4B66-BA03-1C07050B8755/B12716.jpg)
A figure of Zhang Heng Detail of a gravure study. Beijing, China May, 2008
Size: 5070px × 3380px
Location: Beijing, China
Photo credit: © TheOtherOne / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: armillary, asia, asian, astronomy, beijing, china, chinese, clepsydra, clock, discoveries, gravure, heng, horizontal, idas, science, scientific, sphere, zhan, zhang