l2.x3d using X_ITE

X_ITE X3D Browser   l2 is among lumbar vertebrae located between thoracic vertebrae and pelvis, forming lower part of the back   

Display error: X3D model not shown.

Your HTML browser does not appear to support all features required by the X_ITE X3D player!
     Original X3D model: l2.x3d
X3D Examples Archive: https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Skeleton/l2Index.html

X_ITE Console