What is the article mainly about?

A. Library are not only places for books there are also store rooms for maps, manuscripts, public records, patents, and even electronic media, such as audiobooks and digital music files.

B. A group of students in Alexandria Virginia use the human library model with the goal for fighting racism feeding off common prejudices in celebrating diversity

C. Brothers ronni and dany abergel started the first human library in Copenhagen as a way to ease social tension between groups of young bands who are fighting against one another.

D. Human library’s provide people with an opportunity to learn about the culture and worldview of those from different backgrounds as they borrow human books and talk with them.