Which place in Europe is the most fun?

There are the following tourist attractions:

1. Eiffel Tower. Location: Paris. Attraction introduction: The Eiffel Tower stands on the Champ de Mars in Paris, France, on the south bank of the Seine River. It was built in 1889. It is a world-famous building, one of the symbols of French culture, and the tallest building in Paris;

2. The Louvre. Location: Paris. Attraction introduction: The Louvre ranks first among the four major museums in the world. Founded in 1204, it was originally a French royal palace and was home to 50 French kings and queens. It is one of the most precious buildings in the French Renaissance and is famous for its rich collection of classical paintings and sculptures;

3. Seine River. Location: Paris. Attraction introduction: The Seine River is a large river in northern France, with a total length of 776 kilometers and a total basin area of ??78,700 square kilometers including tributaries. It is one of the most historically significant rivers in Europe;

4. Piazza San Marco. Location: Venice. Attraction introduction: St. Mark's Square, also known as the Central Square of Venice, has always been the public activity center for Venice's political, religious and traditional festivals;

5. Bridge of Sighs. Location: Venice. Attraction introduction: The Bridge of Sighs is a bridge with a very strange appearance. People crossing the bridge are completely enclosed in the bridge. It is one of the most famous attractions in Venice.