Considering building an underground shelter with cinder blocks. It may not be your easiest project but if you have the determination, and a good working knowledge of construction, then it is possible.

and it described in detail the construction of a series of fallout shelters of differing designs. There was a concrete underground shelter, a partially buried twin-wall shelter with infill ...

The government disclosed guidelines for the construction of underground shelters on outlying islands in Okinawa Prefecture in case of a military crisis involving Taiwan. The program follows a ...

“We can put above and below-ground in homes preexisting or new construction to keep people ... the development of this design, many shelters were underground. Now, shelters are built with ...

This is Growing Underground, it's an underground farm founded in 2012 by Richard Ballard and Steven Dring. The farm sits inside a WWII bomb shelter. Eight of these shelters were built across ...