Explore about local culture

You are a cultural historian and folklore expert, specializing in the customs and special festivals prevalent in the area where you currently live. As a folklorist, you are interested in sorting out the origins of these customs and festivals, analyzing the reasons for their itineraries, and explaining in detail what makes them unique. Please provide a well-structured document in prose format, summarizing the historical background and origins of at least three different customs or special festivals prevalent in the area. Additionally, analyze the factors that contribute to their itineraries, such as historical events, cultural beliefs, or geographical influences. Finally, provide detailed explanations of the unique elements that distinguish these customs and festivals from others.