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Potestas usoris
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Licet hoc documentum exscribere vel distribuere vel demutare sub GNU Liberarum Litterarum Licentiae conditionibus in editione 1.2 aut in ulla editione recentiori a Fundatione Liberarum Programmationis Partium publicata; praeterquam Sectiones Immutabiles et Verba Involucra Adversa et Aversa. Licentiae exemplar praesto est in sectione intitulata GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
communicare – copiare, distribuere et committere hoc opus
to remix – to adapt the work
His condicionibus:
attributio – 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.
aequa parte – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
The photographical reproduction of this work is covered under the article § 59 of the German copyright law, which states that "It shall be permissible to reproduce, by painting, drawing, photography or cinematography, works which are permanently located on public ways, streets or places and to distribute and publicly communicate such copies. For works of architecture, this provision shall be applicable only to the external appearance."
As with all other “limits of copyright by legally permitted uses”, no changes to the actual work are permitted under § 62 of the German copyright law (UrhG).