Curious Brisbane is a series powered by you, our audience.

We're impressed by the quality and quantity of questions you've submitted so far, and it's time to vote again on each other's ideas.

Emma wants to know what happened to the fountain in the Brisbane River. How about you? ( Facebook: Lost Brisbane )

This time we have questions from Emma, Jessica, and David.

To vote, simply select the question below you want to see answered.

The winner will have their question investigated by a journalist from the ABC Brisbane newsroom, who will work with the audience member who asked the question.

The voting round will remain open until Tuesday, January 16.

The results will be posted on Facebook and Twitter, so keep an eye out!

If you have another burning question about Brisbane that you want answered, you can also submit it below.

So, what are you curious about?