Smokedaddy wrote:... worked better for 'me' when I swapped the left for the right.
I shouldn't have said better. I was using Pocket 3Dvu glasses. In your posting they are concave (sunken in), when the image is swapped it's convex (sticking out).
"The appendages on top of the head are air sacs used to control buoyancy. The larvae of these insects are aquatic and pupate underwater. They are common in lakes all over the world.
Credit: Frank Fox / Science Photo Library http://bit.ly/339DXMU "