Some users claim that the "149" refers to a postal code or a former street name that no longer exists on modern maps. During the communist era, many streets were renamed (e.g., Stalingradská). After 1989, they were renamed again. Digitally preserved in the title "Czech Streets 149" is, according to this theory, a ghost street—a road that exists only in video archives and old cadastral maps.

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If you arrived at this article via a search engine, you must be aware of the legal and digital hygiene issues surrounding this keyword. Some users claim that the "149" refers to