…In the 1880s. But were they naturally formed, or evidence of hidden tunnels?
http://subterraneangreeenwich.blogspot.com/2010/08/blackheath-subsidences-natural-or-man.html
More big holes on Blackheath…
Filed under blackheath, history
…In the 1880s. But were they naturally formed, or evidence of hidden tunnels?
http://subterraneangreeenwich.blogspot.com/2010/08/blackheath-subsidences-natural-or-man.html
Filed under blackheath, history
Tagged as 1880s, blackheath, hole, holes, subsidence, tunnel, tunnels
Licensed under a Creative Commons Attribution-Share Alike 2.0 UK: England & Wales License.
Warning. Do not jump up and down on the heath.