Let's take a walk through through Vienna, finally we have lunch in "Schweizerhaus" restaurant.
12:00 Meet-up at Stephansplatz in front of Domkirch St. Stephan
https://goo.gl/maps/uoqUBHRgAaxGfw1u8
Walk (~ 7km) ends at Schönbrunn park.
https://en.mapy.cz/s/funudalade
Then we move to the restaurant Schweizerhaus:
https://schweizerhaus.at/