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Project Noah Nature School
When it every time you want to move forward，It will be to the left and right direction of observation, then like earthworms peristalsis。
Spotted on Aug 23, 2012
Submitted on Aug 23, 2012
3 Comments
Is it a leech of some kind?
http://en.wikipedia.org/wiki/Leech
interesting!
Sensacional y el efecto de desenfoque ::