This work has been released into the public domain by its author, Mikhail Matz. This applies worldwide. In some countries this may not be legally possible; if so: Mikhail Matz grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Public domainPublic domainfalsefalse
The copyright holder, Mikhail Matz, asked me to publish this image to Wikimedia.
Captions
Add a one-line explanation of what this file represents