This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: scaled down, unsharp mask (0.1 px, ~0.5). The original can be viewed here: Poty stack 2006-2009.xcf: . Modifications made by Saibo.
Licensing
Important
See section Original upload log of the source image for the licenses of the individual images. The derivative work itself is released into PD (by the author) if it is copyright eligible at all.
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.