On Thu, 15 Mar 2012 10:53:04 +0000
Mizter T wrote:
Tunnel boring to begin from the Royal Oak portal heading eastwards under
central London.

Pictorial:
http://www.bbc.co.uk/news/uk-17365934

There doesn't seem to be much distance between the 2 bores. Surely they won't
be that close the entire route? Looks like it would collapse.

B2003