A historical painting that was created more than a century ago is now freely available for anyone to use, copy, and modify without any restrictions. What can be said about the copyright status of this painting?

It is in the public domain, and anyone can use it without restrictions.

It is under copyright protection and cannot be used without permission.

It is privately owned, and only a select few can access it.

It is in a gray area of copyright law, where usage is subject to negotiation

It is in the public domain, and anyone can use it without restrictions.