An artist paints a mural on a public wall in a city park. Passers-by can take pictures of the mural, share them on social media, and use them for personal purposes without any limitations. What can be said about the copyright status of the mural?. Choose the correct one in the following
The mural is in the public domain.
The mural is under strict copyright protection.
The mural is a private domain work.
The mural is protected by trademark law.