A result of the Landslide across May Road, in front of Thorpe Manor, on 2 September 1973.
From
Report Title : Study of Old Masonry Retaining Walls in Hong Kong (1996), 225 p.
Report No. : GEO Report No. 31
Author : Y.C. Chan
http://www.cedd.gov.hk/eng/publications/geo_reports/geo_rpt031.html