Over the last two decades, supercomputing allowed new skill levels in interpreting seismic data of below-ground structures.
The new facility near Tongchang is far more advanced, with a 100-foot-tall launch tower and a below-ground tunnel to direct rocket exhaust.
The options for shelters are many: above-ground, below-ground, mounted in the garage, on the patio, on a poured slab or even in a space carved out beneath the slab.
We have allowed a steady decline in investment in the science-based Stockpile Stewardship Program that promised to assure the safety, effectiveness and reliability of our nuclear weapons in the absence of below-ground tests.
There's lots of storage space for sports equipment, and 150-square-foot wine rooms below both ground floors.
The technique they developed, called hydraulic fracking, involves drilling 5, 000-9, 000 feet below ground (in the Marcellus shale), and then moving horizontally into the layers of shale rock where the hydrocarbons lie.
The little Mirra 530 fastidiously cleans in-ground pools, on and below the surface.
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It is expected to reveal the less salubrious parts of Roman London outside of the City walls with archaeologists anticipating to encounter Roman timber-framed buildings and a street surface 6m below ground level.
The graveyard dogs soon returned, digging under a vinyl fence built four-feet high with three feet of wire mesh below ground.
Angeli and Steelman describe a 20-story section of 1 World Trade Center -- the north tower -- now embedded into the ground to the subway lines below.
Cremation or burial, open casket, closed casket or no casket, private services or public services, low-cost approach or more costly approach, above ground or below ground or indoor or outdoor final resting place were just a few of the important decisions.
Patrons go below ground to play cards, sleep, exercise and work on laptops--all the while inhaling air that can have 1, 700 picocuries of radon per liter (about 1, 300 times as much as air in the average home).
Serb forces pounded the city every day from higher ground positions, trapping Sarajevo's ill-prepared residents in the valley below.
While there are separate entrances, the two generations share a kitchen and dining room, one floor below ground, with red leather chairs around a simple table topped with an antique, three-piece candelabra set.
But the Air Force then calculated that a payload of thirty-two smart bombs, each weighing two thousand pounds, would be required to penetrate thirty feet below ground, insuring that any bunkers would collapse.
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