Not exact matches
(In this context the term refers to unreported building activity, rather than building
subways and
bomb shelters.)
People are dying in their homes and in the streets, and everyone runs to the
subway system to seek
shelter whenever the sirens blare — but only if the watch spots a
bombing run coming.
The residents also prepared by readying
bomb shelters, including rigging the U-Bahn (
subway) system to accommodate a large number of people for an extended period of time.