The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
The protection period continues during the lifetime of the author of the work and for 70 years after his death.
For works published after the death of their author, the protection period is 70 years after the date of death.
In cases stated in the first paragraph of Article 12, the protection period is 70 years from the date that the work is published, unless the author of the work discloses his name before the expiry of this period.
In case the author of the work is a legal person, the protection period is 70 years from the date that the work is published.