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내용필수	웹에디터 시작 > > > <p><span style="display:block;text-align:center;clear:both"><img src="https://live.staticflickr.com/887/42092137064_792fda823f_b.jpg"></span>Washington serves as a catchall term for the seat of energy in the United States. Canada has a catchall town too -- Ottawa -- and throughout the Cold War, Washington and Ottawa labored carefully to defend their shared continent from Soviet assault. Essentially the most outstanding results of this joint protection enterprise was NORAD, the North American Aerospace Defense Command. Cultivated from a three-tier radar detection system spanning Canada from its southern border to the Arctic Circle, NORAD was an integration of both nations' detection programs into one comprehensive community. It was helmed by means of two controls centers: one in Canada and one within the United States. Washington placed its high worth target inside probably the most safe locations on earth -- deep within Cheyenne Mountain in Colorado.5-toes thick steel blast doors, the U.S. The boldness in the safety afforded by subterranean structures isn't exclusive to the United States. Chairman Mao constructed an underground city beneath Beijing following a border dispute with the Soviets in 1969. In the current unpolarized world, the seats of power are splintered, with essentially the most powerful wielding data somewhat than intercontinental ballistic missiles.</p><br/><br/><p>But the mentality that subterranean equals safety has remained a constant. There are firms that function the networks the citizens of the world use to bypass the Internet. And there are others that maintain those same people's credit score histories and different sensitive data. Both of these highly effective industries have determined that subterranean locations are the most effective websites to retailer their golden geese. Underground constructions are less susceptible to bodily intrusion and pure catastrophe. They also supply fixed temperatures, and since subterranean buildings aren't susceptible to the fickle nature of aboveground weather, they require less vitality. One wonders with the advantages offered underground why we don't dwell there. We construct our houses aboveground and our skyscrapers into the air for a reason. Mostly it is because we had been designed (or evolved) to thrive within the topside setting. We achieve physical and mental well being from the solar, air and flora and fauna we share the aboveground world with.</p><br/><br/><p>Should a massive shift to subterranean dwelling take place among humanity, we would essentially be difficult evolution to do its worst. And evolution's worst typically results in expensive damages to a species -- like extinction, say. Humans are diurnal creatures, meant to be lively when the solar's up and asleep at night time when it goes down. We even have a circadian rhythm, a biological clock that dictates our slumber patterns based mostly on the cycle of the sunrise and sunset. We're inextricably dependent on the sun. This important ingredient for human physiological perform prevents rickets (improper and weak development of bones) in kids and bone loss in the aged. It's also been linked to metabolic and immune system function and discount in hypertension. So we want vitamin D , and the curious part is that it's the one vitamin humans require that we do not derive f-Disposition: form-data; name="html" > > html2 > > 웹 에디터 끝
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