I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
It shall be permitted, without the right holder’s authorisation and without payment of remuneration, to reproduce, except in a three-dimensional form, the copyright works, which are permanently located on streets, squares, parks or other places available to the public, and to distribute and communicate to the public such reproductions.
Note also the second paragraph of the same article of the same Act:
The limitation referred to in paragraph (1) of this Article shall apply only in respect of the outer appearance of an architectural structure.