Here is a detailed caption for the image: The image shows a close-up of a dark-colored beverage, possibly stout or porter, in a glass. A thick, creamy head of foam sits atop the liquid. Tiny bubbles rise from the depths of the drink and burst through the surface, creating a dynamic visual. The glass is partially visible, and condensation is evident on its exterior. The background is a stark black, which contrasts sharply with the rich color of the drink. The image successfully captures the texture and effervescence of the beverage. Write a detailed description of the given image.