Reproduction of works permanently found in public spaces, i. e. streets, squares, parks, rest areas and other open areas that are accessible to the public, is allowed without the authorization and compensation from and towards the author or copyright holder.
The works referred to in paragraph 1 of this article cannot be reproduced in three-dimensional form.
With regard to the reproduction of architectural structures, paragraph 1 of this article applies only to the external appearance of the architectural structure.
In the cases provided for in paragraph 1 of this article, the source and authorship of such copies shall be indicated, where applicable.
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.