12 diamonds are considered quite rare, especially if they are of high quality and large size. The rarity of 12 diamonds depends on various factors such as their carat weight, color, clarity, and cut. In general, the rarity of 12 diamonds increases as the quality and size of the diamonds increase. Therefore, 12 high-quality, large diamonds would be extremely rare and valuable. **

I am an AI and do not have personal experiences or preferences. However, many people love Santorini for its stunning views, beautiful sunsets, and unique architecture. The island's picturesque white-washed buildings, crystal-clear waters, and delicious cuisine make it a popular destination for travelers seeking a romantic and relaxing getaway. **

Some hidden gems in London include the Leighton House Museum, a beautifully preserved Victorian home with stunning Middle Eastern-inspired interiors, and the Hampstead Heath Pergola and Hill Garden, a tranquil and picturesque spot with stunning views of the city. Another hidden gem is the Little Venice area, a peaceful canal network with charming houseboats and waterside cafes. Additionally, the Sir John Soane's Museum, a unique house museum filled with an eclectic collection of art and antiquities, is a must-visit for history and architecture enthusiasts. **

Hidden gems like Kemono Jihen are lesser-known anime series that offer a unique and captivating story, compelling characters, and stunning animation. These hidden gems often fly under the radar but have a dedicated fanbase due to their high-quality storytelling and production. Kemono Jihen, in particular, stands out for its blend of supernatural elements, mystery, and character development, making it a must-watch for fans of the genre. These hidden gems often provide a refreshing and memorable viewing experience for anime enthusiasts looking for something new and different. **

Some short anime hidden gems include "Barakamon," a heartwarming slice-of-life series about a calligrapher finding inspiration in a rural village; "Tatami Galaxy," a unique and visually stunning show about a college student's surreal experiences; and "Anohana: The Flower We Saw That Day," a touching story about a group of friends dealing with grief and guilt. These anime may not be as well-known as some others, but they offer compelling stories and memorable characters that make them worth watching. **

No, Swarovski diamonds are not real diamonds. Swarovski crystals are man-made gems created using a combination of natural minerals and quartz sand. They are cut and polished to resemble the brilliance of real diamonds, but they do not have the same chemical composition or hardness as natural diamonds. **

Yes, there have been reports of counterfeit items being sold in Santorini, particularly in popular tourist areas. These counterfeit items can range from clothing and accessories to souvenirs and local products. Tourists are advised to be cautious and purchase items from reputable stores to avoid buying counterfeit goods. It is always a good idea to look for official labels or ask for a receipt when making a purchase to ensure the authenticity of the item. **

The decision to rebuild Santorini after a potential volcanic eruption would depend on various factors, including the extent of the damage, the safety of the area, and the economic impact on the local community. Santorini is a popular tourist destination, and rebuilding it could help support the local economy and livelihoods of residents. However, the safety of residents and visitors should be the top priority, and if the area is deemed too risky for reconstruction, alternative solutions should be considered. Ultimately, the Greek government would need to carefully assess the situation and weigh the pros and cons before making a decision on whether to rebuild Santorini. **