Many goods are smuggled from Egypt through a network of underground tunnels into Gaza.
These are giant machines which employ powerful magnets to guide subatomic particles through long underground tunnels.
At Will Rogers, passengers were directed into underground tunnels as the storm passed just north of the airfield.
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The floodwaters likely brought a bonanza of garbage for vermin to feast on in the underground tunnels, Leirs said.
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At Will Rogers World Airport southwest of Oklahoma City, passengers were directed into underground tunnels and inbound and outbound flights were canceled.
Now it's become the country's most popular tourist attraction - with families pouring over the rubble and exploring the underground tunnels.
New missile powers also have access to technology--for example, the means to quickly dig underground tunnels--that can disguise the speed of their weapons development.
There are guided tours through the city's underground tunnels and passing by esoteric symbols, Masonic buildings, historic crime scenes and even some ghosts ( www.somewhere.it).
Sea water will be pumped in via underground tunnels 2-3km (1.2 to 1.8 miles) in length to cool the two nuclear reactors and then back to the Bristol Channel.
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This is no accident: the place was built from the ground up to be the best, with no expense spared, including extensive hidden underground tunnels so you never see maids or room service staff walking around the low rise, spread out property.
At breakfast time, I walked through the underground steam tunnels to the dining room.
After this, excavation work can start to lay the foundations of the nuclear plant including two underground 3km tunnels for the cooling water.
Cars and trucks are banned from the city (they will travel in tunnels underground) allowing for narrow streets and alleys.
Horror author James Herbert will make a rare public appearance, holding a talk underground in the Williamson Tunnels.
The dam would be constructed more than 90m above ground level, as well as having an underground power house, tunnels, two reservoirs and a jetty on the shores of Loch Lochy.
It would involve the construction of a dam, reservoir, underground power station and water tunnels in the hills above Loch Lochy.
Located 26 miles east of Carlsbad, the Waste Isolation Pilot Plant, or WIPP, is a world first: a series of man-made tunnels 2, 150 feet underground, designed to accommodate radioactive waste.
Often equipped only with head lamps and homemade maps, they explore the tunnels and ancient rooms, sometimes staying underground for days at a time.
They have been forced to abandon trains and walk through tunnels on a number of occasions following failures on the Underground network.
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Among the yuckiest fears of urban victims of superstorm Sandy was the potential for all that sea water surging into subway and sewer tunnels to displace the millions of rats who call the underground their home.
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The Egyptian government has also ordered an underground barrier to be built along the border with Gaza, to block the tunnels.
Beneath the city streets that travellers walk on each day, dark labyrinths of underground catacombs are passageways to the past, to a time when the ghostly tunnels served as burial grounds for millions of people.
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