This image was improved or created by the Wikigraphists of the Graphic Lab (he). You can propose images to clean up, improve, create or translate as well.
Licensing
I, the copyright holder of this work, hereby publish it under the following licence:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the licence, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible licence as the original.