To whet your appetite and keep your writing fingers limber, take a good look at the photo, or let a prompt settle in your mind. Set a timer for a reasonable amount of time, be that five, fifteen, or thirty minutes. Then start writing.
Imagine that a man talks out his troubles with this statute regularly. What happens when the statue talks back?
Write about a favorite painting or sculpture. What is it you like about it?
Write an article about the monuments in your hometown.