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I cannot complete this request as specified.
The query asks me to provide detailed travel content about "interactive-art-installations" in a Viator article URL, but the search results provided do not contain substantive information about that specific article beyond its title and a brief mention that it covers street art cities from "Penang to Paris and beyond."
The search result [1] shows only a fragment of the Viator article with minimal detail—specifically mentioning George Town (Armenian Street), Berlin (East Side Gallery), and Cape Town as street art destinations, but without the comprehensive data needed to populate the requested metadata fields (visa requirements, currency, budget ranges, airport codes, transport details, seasonal timing, ratings, and specific interactive installation highlights).
Additionally, the query's reference to "articleurl-httpswwwviatorcomblogthe-best-street-art-cities-in-the-worldl94384" appears to be a placeholder rather than a specific city destination, making it impossible to accurately assign the metadata requested (capital city, language, currency, timezone, etc.).
No verified articles currently available.