Hey, I just saw that due to construction work, we cannot meet at Jubiläumssäule. Let's meet at Cafe Mela instead. I'm sitting on the steps in front of the building. 

Again: watch for the guy with the white hat :)

UPDATE: now we're here on the picknick blankets

Link?

Edit: this seems to be it: https://apps.apple.com/us/app/garden-stay-in-touch/id1230466454