Alcatraz island is one of the most iconic landmarks in the United States, attracting millions of visitors every year. Located in the San Francisco Bay, it is most famous for its former prison, which housed notorious criminals like Al Capone and Robert Stroud. https://sg.wantedly.com/users/183507465/post_articles/947814/preview?token=90257cd15d2453934f2eae60cc5d0f97