
This is a unique way to advertise. Where they use the dirt on the road. Called reverse graffiti, it is an advertising technique that is created not by adding paint but by removing dirt. Using high pressure water, they spray dirty surfaces such as walls or sidewalks to form logos, writing or advertising images. The result is contrasting and striking, but without damaging the environment. Because it only relies on the difference between clean and dirty, this advertisement is temporary, but the visual effect and curiosity are very strong.
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