The Berlin Mule is a refreshing cocktail that combines the flavors of vodka, ginger beer, lime juice, and a splash of bitters. It is served in a copper mug with a garnish of fresh mint and lime. This cocktail is perfect for a hot summer day in Berlin, as it is both cooling and invigorating. The combination of the spicy ginger beer and the tart lime juice creates a unique and delicious flavor profile. Whether you're exploring the city's vibrant nightlife or enjoying a relaxing evening at home, the Berlin Mule is a must-try cocktail in Berlin.