Vision Du Réel - La Muraille
Over 107 years ago when the disease was not yet understood and under control when someone fell sick with leprosy they would be sent out of society to live alone in caves to avoid the spread of their affliction. It’s only later that the disease was understood and became treatable.
The documentary did not address much about the construction of the sanatorium except to say that convicts that were sentenced to death for a crime were made to build the ramparts around the city.