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
This reproduction is permitted under the Article 45 of the Salvadoran copyright law, which states:
the following shall be allowed without the consent of the author or remuneration: . . . the reproduction of a work of art on permanent display in a street, square or other public place in an artistic medium different from that used for the making of the original; with regard to buildings, this right shall be limited to the outer walls