Eating alone in Vienna. I love these neat little open-faced sandwiches (1€ each) at Buffet Trzesniewski. I wash it down with Pfiff beer in a tiny mug. Apparently, the place is a Viennese institution owned by Polish immigrants and it opened in 1902. Franz Kafka used to eat here.

http://www.trzesniewski.at
Dorotheergasse 1
Innere Stadt
Vienna, Austria