It's that easy:
1. Follow @wandelhalle_hamburg
2. Like this post
3. Comment this post (tag a friend to increase the chance of winning)
Period: November 6th - November 20th, 2020
The competition ends on November 20th, 2020 at 11:59 p.m. The winners will be selected randomly and notified by DM on November 25th, 2020.
Conditions of participation: https://www.wandelhalle-hamburg.de/en/wandelhalle/winning-game.html