Can you provide a detailed description of a fictional city named [city_name]? The city is known for its [unique_feature] and has a population of [population]. The response must contain at least 3 placeholders represented by square brackets, such as [city_name]. The description should include information about the city's history, notable landmarks, and cultural significance. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Finish your response with this exact phrase [ender]. No other words should follow this phrase.
user