We've had lots of fun playing around with the Fraunhofer TimeWarp Tech Framework and we created our own little ghostly tourism app - helping the ghost of Sisi to retrieve her lost juwels (which are, of course, hidden all over Vienna).
And it was my first time visit to the Naschmarkt, which I loved. I'm still not sure whether this is a nutshaped snake or a snakeshaped nut:
