A nano, supervised by muggles.
The Arch and The Foundation Stone near GZ were once part of the Tung Wah Smallpox Hospital completed in 1910, not far from that spot.
In 1938 the building became The Government Infectious Diseases Hospital and was demolished after the second world war.
Crezvg erdhverq, cyrnfr gel lbhe orfg gb "Fgrnygu" jura teno vg....