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3,999. There are hundreds of these sink-holes in this area. (Earth & Under Ground & Holes) Richard Hammond’s Journey to the Centre of the Planet BBC 2011
4,000. Get below three hundred feet and almost all evidence of humanity disappears. No human being has ever been more than two and a half miles below the surface. (Earth & Under Ground) ibid.
4,001. Three thousand miles below: a giant ball of solid metal. This is the inner core of the Earth. It’s almost as big as the moon, and it’s as hot as the surface of the sun. ibid.
4,002. Fourteen enormous slabs called tectonic plates. (Earth & Under Ground) ibid.
4,003. There is more water held in underground aquifers like this than in all the lakes and rivers of the world. (Earth & Under Ground & Water) ibid.
4,004. San Francisco and Los Angeles sit on two separate tectonic plates either side of the San Andreas Fault. (Earth & Under Ground) ibid.
4,005. Who two tectonic plates collide solid land can buckle upwards. (Earth & Under Ground) ibid.
53,607. If you could drive straight down, into a tunnel bored through the crust of the planet, you’d hit this molten mess in about an hour. It’s called the asthenosphere – a sluggish sea, several hundred miles thick, on which floats the Earth’s cool epidermis – the so-called tectonic plates. (Tunnel & Under Ground) Seth Shostak
4,047. Earthquakes: the shockwaves of major earth waves radiate through the globe. Scientists have gained a form of X-Ray vision into the heart of the Earth by analyzing the speed at which they travel. And it’s revealed we aren’t simply living on one solid chunk of rock; the earth is made up of different layers. (Earth & Earthquakes & Under Ground) Horizon: The Core, BBC 2011
80,409. Bacteria flourish in other extreme environments too, miles under- ground and under crushing pressures on the ocean floor. (Mars & Life & Bacteria & Under Ground) Horizon: Curing Alzheimer’s, BBC 2016
8,273. I believe that the United Kingdom is one of the most underground places on the planet, and that particularly central Scotland – central Scotland - has got some of the most untalked-about cavern systems on the planet. (UFO & Under Ground) Andrew Hennessey, author The Mystery of Stargate Edinburgh
8,583. According to most archaeologists and scholars Derainkuyu [Turkey] was built around 800 B.C. by the Phrygians ... Others believe it was built by the Hittites, a warrior people mentioned in the Bible who flourished hundreds of years earlier. But could the underground city be even older? (Alien & Ancient Astronaut Theory & Turkey & Under Ground & Underground Bases) Ancient Aliens: Underground Aliens s2e4
8,585. Deep in the caves of the American south-west ... Is it possible these underground creatures of Native American legend were actually alien visitors? (Alien & Ancient Astronaut Theory & Cave & Under Ground & Underground Bases) ibid.
28,380. Some of the red Indian tribes in north America talk about being able to go under ground straight through down to South America. (Native American & Under Ground) Jonathan Gray, interview Coast to Coast Hidden Discoveries
48,522. Under ground was still the area of the hardest graft. (Coal & Mining & Under ground) 40 Years On, National Coal Board 1978, Institution of Mining Engineers presidential address, narrator W J W Bourne
48,526. That we shall continue to win our essential energy from under the earth not just for the next forty years but for the next four hundred. (Coal & Mining & Underground) ibid.
48,617. August 5th 2010: the Atacama Desert in northern Chile is shaken by one of the worst accidents in mining history. Thirty-three miners are buried under some eight hundred thousand tons of rock. Their families rushed to the scene. The government of Chile takes charge and orders three ingenious plans to drill into the mountain. No-one in history has survived this deep or this long underground. (Miners & Chile & Under Ground) Chilean Miners: Buried Alive
48,618. They range in age from nineteen to sixty-three. (Miners & Chile & Under Ground) ibid.
48,619. The mine owners believed their mine to be safe. (Miners & Chile & Under Ground) ibid.
48,620. One man recalls a butterfly inside the shaft moments before the cave-in. Two miners who were driving out of the tunnel would have been crushed had they not stopped to look at it. (Miners & Chile & Under Ground) ibid.
48,621. Numerous suits are filed against the San Esteban Mining Company. Their assets are seized in order to ensure payments for the rescue effort. (Miners & Chile & Under Ground) ibid.
48,622. While the world is concentrated on the 33, the other 250 workers of the San Jose and the San Antonio mines, which have been shut down since the accident, have been out of work for almost two months. (Miners & Chile & Under Ground) ibid.
48,623. On September 27th the first of the Fenix pods arrives at Camp Hope. (Miners & Chile & Under Ground) ibid.
48,624. Up to one billion viewers worldwide watched the twenty-two finale of Chile’s greatest endeavour. (Miners & Chile & Under Ground) ibid.
48,625. A miracle beyond imagining: to rescue intact thirty-three human beings who were trapped underground longer than anyone in the history of mining. Against all odds Operation San Lorenzo becomes a symbol of unity, endurance, and faith, and changed Chile and the miners for ever. (Miners & Chile & Under Ground & Operations) ibid.
48,626. The Atacama Desert Northern Chile: On August 5th 2010 a massive explosion rocked this landscape, and thirty-three miners were trapped half a mile below. For seventeen days the miners have no contact with the world outside. (Mines & Chile & Under Ground) Chilean Miners: 17 Days Buried Alive BBC 2011
48,627. The copper mine at San Jose was notorious; it paid higher wages to compensate for a bad safety record. (Mines & Chile & Under Ground & Copper) ibid.
48,628. No-one was even sure how many men were down the mine. (Mines & Chile & Under Ground) ibid.
48,629. The men were expecting to find at least two days’ supply of food as required by mining regulations. Management had once again failed to prepare for an emergency. (Mines & Chile & Under Ground) ibid.
48,630. The temperature in the mine was over forty degrees. (Mines & Chile & Under Ground) ibid.
48,631. On the third day there was a further collapse. (Mines & Chile & Under Ground) ibid.
48,632. The daily prayers were followed by a general meeting at which decisions were taken establishing democracy from the beginning. (Mines & Chile & Under Ground) ibid.
48,633. The miners had established daily routines but still had no idea if anyone was even looking for them. (Mines & Chile & Under Ground) ibid.
48,634. Their campaign succeeded; soon drills began to appear from all over Chile. (Mines & Chile & Under Ground) ibid.