Read the following article and answer the question.

Do nt have a lot more to say on it though . International Slavery Museum This has to be my favourite museum I ' ve visited so far . It used to be an exhbition in the basement of the Maritime Museum but was upgraded to a museum of its own on the third floor of the same museum to mark the bicentenary of the 1807 abolition act .

What sight was the narrator 's favorite to see ?
They loved the Slavery Museum .