I'm taking a test and have to guess the right answer to the question after the article. Article: Listed here are four of the thousands of impressive museums around the world. The Guggenheim Museum Bilbao in Bilbao, Spain Built in 1997, the Guggenheim Museum Bilbao is one of the newest in the world. It has transformed the industrial city of Bilbao into a travelers' desired destination. The beautiful architecture of the museum has provided a dramatic background for movies and commercials. The Louvre in Paris, France Probably the most famous Louvre also holds the most famous painting in the world, the"Mona Lisa"by Leonardo da Vinci. Crowds can be found any day surrounding the small, but mysterious painting of the smiling woman. But, the Louvre is much more than a home to the"Mona Lisa". The Louvre is visited by more people each year than any other museum in the world. The Barnes Foundation in Philadelphia, America Just opened in its new downtown location in 2012, the Barnes Foundation is unique in that it is a completely reproduced display from one man's private collection. Dr. Albert C. Barnes started collecting art in the early 20th century and collected, among others, the largest number of original Renoir paintings in the world. The Uffizi Gallery in Florence, Italy Walking on the marbled floors feels like stepping back in time. The building itself is a beautiful palace-like structure with frescoes decorating the ceilings and walls. Viewers are bowled over by the works by Botticelli, such as"The Birth of Venus". Classic artworks from nearly 1,000 years ago describe religious events of the time. Question: What makes the Barnes Foundation particular? Options: A: Its structure. B: Its collection. C: Its location. D: Its history.
B