Z ust do ust

So you want to know where you find us?

Great. You just need to solve a series of riddles we've prepared for you...

To participate in our game you will need a smartphone with Internet access and GPS, information-finding skills, some knowledge of Cracow and quite a lot of shrewdness.

Are you ready?

Solve our riddles and type your answers in the web address using the following template: www.zustdoust.com/en/youranswershere
Don't use diacritics or spaces.

You think you can do it? Let's find out.

What's in the picture?