Ethiopia wants to turn a notorious prison into a museum. But some fear the abuses will continue

One cellblock in the Ma’ekelawi prison in the Ethiopian capital, Addis Ababa, is known as the Dark House. Its chilly, dank cells are underground, including four pitch-black cells too narrow for inmates to sit or stretch their arms or legs.

It has a second nickname: Siberia.

Ma’ekelawi is one of...