Evidence: The text at [1] states the following and links to this image: Anime Midwest has all rights and ownership to the below images, including rights to sublicense under any desired license, and we agree to release them under the license at https://creativecommons.org/licenses/by-sa/3.0/
It is acknowledged that by doing so Anime Midwest grants anyone the right to use the work under such license, and to modify it according to their needs, provided that they abide by the terms of the license and any other applicable laws. Attribution should be given to Anime Midwest or the photographer. This agreement is not limited to Wikipedia or related sites. This can not be revoked.
Other information
Photos taken by staff photographer at and on behalf of Anime Midwest and permission given by all parties to be posted under the CC license.
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 license, 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 license as the original.