An advertising tunnel refers to a marketing strategy in which a company creates a continuous and immersive experience for consumers through various forms of advertising. This can include a series of advertisements that are strategically placed in a specific location, such as a subway tunnel or a highway underpass, creating a tunnel-like effect. The purpose of an advertising tunnel is to capture the attention of passersby and create a memorable and impactful brand experience. This type of advertising often utilizes creative and eye-catching visuals, as well as interactive elements, to engage and entice consumers. The goal of an advertising tunnel is to create a lasting impression and increase brand awareness, ultimately driving consumer behavior and sales.