The Moscow Mule is a classic cocktail that originated in the United States but gained popularity in Moscow. It is made with vodka, ginger beer, and lime juice, and is typically served in a copper mug. The combination of the spicy ginger beer and the tart lime juice creates a refreshing and zesty flavor. The Moscow Mule is a popular choice among cocktail enthusiasts in Moscow, as it is a perfect drink to enjoy during the hot summer months.