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We showed that humans and machines could complement each other in an extraordinarily hostile environment . At that point , we hit seven miles [ 11 kilometers ] of a hard ice section called sastrugi , which is a basically wavelike formation of ice . Di Rosa estimated that there were 75 Sonoran antelope in all of Arizona.We returned to the truck and rose over Charlie Bell Pass , a rock-strewed joke of a road , then began our slow descent into the Growler Valley . The sorrowfulness of the aria was cool and delicious ; it was beyond their capability of telling , and while it played , father and son lingered in its brief and beautiful grief , each thinking of different women . Until quite recently subterranean exploration remained a game ruled by gentleman 's ethics , in which civility reigned and grievances between different exploration teams , if there really were any , were kept private . But two four-engine airplanes , each carrying a flight crew and several scientists , now head toward the storm . You have to take a sport like mountaineering very seriously . All you have to do is tell your smart car where you want to go and it gets you there . Always traveling alone , wearing outrageous hats to hide a childhood disfigurement , Stark had an obsession with riding blithely into some of the country 's most dangerous regions . " She would go on to write about her travels in this region in the 1934 classic The Valleys of the Assassins , while her mapping and exploratory achievements would earn her an award from England 's Royal Geographical Society and , later , a knighting by the Queen of England.Stark risked her life to journey to this part of Lorestan , searching for a Bronze Age hidden treasure that was rumored to be stashed among these hills , but she never found it , leaving behind a lingering mystery . You probably wo n't be distracted by any kit foxes or sidewinders . Often controversy is spurred by a teammate who has left an expedition . Featuring the only permanent ice cap in the Northern Hemisphere and a rugged , desolate coast that makes Alaska look like the Jersey Shore , Greenland is a wilderness unlike any on Earth . Or that he was about to embark on a year in which he had to plan a wedding , set up their household , and prepare for a baby ? And also when I stop to eat , I usually gargle with hydrogen peroxide , so if there're any nasties in the water , I can give them a hard time . Now he arrived one weekend a month to sit opposite his father in the sitting room and correct copies and read the newspaper while Puccini played on the small stereo and the light died in the street outside . The bush pilots who fly humanitarian aid into Sudan are a varied lot , ranging from shady buccaneers to airborne do-gooders to workaday aviators like Potyok , a 59-year-old Canadian and a veteran of the African skies . Seeing an aye-aye is considered very bad luck to many superstitious residents of Madagascar , the African island country where these animals live in the wild . It was a rare thing , then , especially in November , for an outsider to ride into Escalante [ in southern Utah ] . They had not seen each other for three weeks , but sat in their armchairs , surrounded by Puccini , as if the spell of the music would bear no interruption and the memory of the slim and tall figure of Anne Griffin was walking in the room . Pilots in mock dogfights no longer use live ammo , but they still have flyover rights to all of the Cabeza . But , you know , when you are running at the Poles you do n't feel like you're sitting at the top of the world or anything ; it 's just a bunch of ice all around you and no real atmosphere . A local man , whom we paid to guide us for the day , points guiltily to a hillside pockmarked with holes : the site of a looted Bronze Age grave site.There are scores of them in this region , a place that was unmapped and unexplored well into the 20th century due to the ferocity of local tribes who had a reputation for killing any outsiders they encountered . The fracture that had fallen between them the day of the crash , when they had each retreated into great guilty rooms of silence , had grown steadily wider , and the father had felt each year the weakening of his ability to reach his son .