Message posted by Peter (Member since 05/25/2011) on June 22, 2021 at 8:05:23 PST:

Not to mention that underground construction is by its very nature hard to conceal because it produces huge amounts of dirt.

In Reply to: Re: ? posted by Joerg (Webmaster) on June 21, 2021 at 13:16:01 PST:

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