If I could write a wish list for Christmas now, it would say: “Please don’t forget the children of Thulosirubari!” For two years now, the German aid organization “Nepalhilfe Beilngries” has been building the new school for more than 500 children and young people in the small mountain village about 70 kilometers east of the Nepalese capital Kathmandu. This was made possible by your donations for “School up!”, the aid project that I launched together with the professional mountaineers Gerlinde Kaltenbrunner and Ralf Dujmovits after the devastating earthquake in Nepal in 2015. The money we collect ends up in Thulosirubari and is used exclusively for the new construction.

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“We were the mice for five weeks,” says Nancy Hansen describing the time she and Ralf Dujmovits – as reported – spent in a hypoxia chamber at the German Aerospace Center (DLR) in Cologne half a year ago. The goal of the study was to find out whether, under certain circumstances, extreme hypoxia can lead to a strengthening of the heart in humans – as previously found out in two experiments with mice in the USA. After an acclimatization phase of around two weeks, the climbers had spent 16 days at a simulated altitude of 6,700 meters or higher, including four days at an oxygen content of only eight percent, which corresponds to 7,112 meters. “I suffered quite a lot,” admits Nancy. “But it was a big privilege to be part of the study.” Ralf is also still impressed by the experience: “I was hard on the edge. To be honest, I wouldn’t do it again. I underestimated the whole thing.” Last week the couple was in Cologne again – for one of several follow-up examinations. The first preliminary results of the study are now available.

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Even the darkness cannot prevent construction from continuing in Thulosirubari. For 18 hours, concrete is mixed in the small mountain village 70 kilometers east of the Nepalese capital Kathmandu, transported upwards and distributed, then finally the second floor slab is casted. “Only one machine for mixing concrete was used for the work, the rest was done by physical labor,” writes Shyam Pandit, liaison man of the German aid organisation Nepalhilfe Beilngries. “Special skilled laborers were brought from Kathmandu for the casting.” After the first two parts of the new school building have been used for teaching since last spring, the construction work for the third section is now on the home straight: If everything goes according to plan, the new building with eight more classrooms could be completed in spring 2019.

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“The construction work is going smoothly,” writes Shyam Pandit, who coordinates the projects of the German aid organisation Nepalhilfe Beilngries in the Himalayan state. At the end of last week, Shyam once again visited the construction site of the new school in the mountain village of Thulosirubari, some 70 kilometers east of the capital Kathmandu. After teaching in the first two parts of the building started as well as using the corresponding toilet block, the third and last section of the building is being constructed right next door. Your donations made this possible for our aid project “School up!”, which I founded together with the two climbers Gerlinde Kaltenbrunner and Ralf Dujmovits after the devastating earthquake in 2015, in order to rebuild the destroyed school in Thulosirubari as quickly as possible.

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Your donations for our aid project “School up!” continue to work. The base plate for the third section of the new school in the small mountain village of Thulosirubari, 70 kilometers east of the Nepalese capital Kathmandu, has now been concreted. In the next step, the bricks for the walls of the first floor will be laid. Ralf Dujmovits – the so far only German climber to have climbed all 14 eight-thousanders – and I had laid the foundation stone for the third construction phase with another eight classrooms in mid-March. At that time, the first two buildings had been festively inaugurated.

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And suddenly the call came from space: “Here is Alex”. At first Ralf Dujmovits did not know who was talking at the other end of the telephone line: “Alex? Then I suddenly recognized the voice I had heard two days earlier during the broadcast of the rocket launch.” Alexander Gerst inquired from the International Space Station (ISS) about the condition of the German climber and his Canadian partner Nancy Hansen in the hypoxia chamber of the German Aerospace Center (DLR) in Cologne. “It sounded like he was sitting next door.” For a quarter of an hour, Ralf, the first and so far only German climber to have scaled all 14 eight-thousanders, spoke to “Astro Alex”, the first German astronaut to take command of the ISS. “He was very interested in our experience in the lab. That was great.” Of course, Nancy talked to Gerst too. For both climbers it was a “real highlight”, says the 49-year-old Canadian.

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Bottled oxygen on a mountain has always been out of the question for me. On principle. Today I made an exception – for a “virtual mountain”. To be able to visit Ralf Dujmovits, the only German mountaineer who has scaled all 14 eight-thousanders, and his partner, the Canadian climber Nancy Hansen, it is mandatory to use a breathing mask. After two weeks in the hypoxia chamber of the German Aerospace Center (DLR) in Cologne, the two test persons have reached the simulated target altitude of 7,112 meters. The percentage of oxygen in the air, normally 21 percent, was gradually reduced to eight percent by adding nitrogen. “It’s like climbing a mountain. The acclimatization is almost done, now we’re heading for the summit,” says Ralf. “The time on the summit will be of course much longer.”

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The Japanese climber Nobukazu Kuriki has been found dead today on Mount Everest. The 35-year-old had reported yesterday from Camp 3 at 7,400 meters via Facebook. It was hard, said Kuriki, assuring he would be careful. This morning, his team informed that Nobukazu was in bad shape and that he was descending. Later, he did not respond to radio calls. His camera crew climbed up and found Kuriki lifeless near Camp 2.

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The doors have closed behind Ralf Dujmovits and Nancy Hansen. The so far only German climber who has scaled all 14 eight-thousanders and his Canadian partner moved in a 110-square-meter hypoxia chamber of the German Aerospace Center (DLR) in Cologne on Tuesday. As reported, the two mountaineers are participating in a study conducted by DLR in cooperation with the University of Texas to investigate whether extreme hypoxia can also have a positive side effect for human beings. US researchers from Texas found in two experiments with mice that heart muscle cells devided when the animals were exposed for two weeks to oxygen deficiency corresponding to conditions at 7,000 m. In mice which had previously been triggered myocardial infarctions, cardiac function improved after two weeks of hypoxia.

Medical control around the clock

Ralf and Nancy, both healthy, are the subjects of the pilot study. They are to stay in the hypoxia chamber for about a month. In the first few weeks, acclimatization as on a Himalayan expedition is simulated. The oxygen percentage in the air will be gradually lowered and temporarily increased only twice in between – as if the two climbers would descend again to breathe thicker air. The last two weeks, the 56-year-old German and the 49-year-old Canadian are to  spend in a simulated height of 7,000 meters. The experiment can be stopped at any time in case serious problems arise. A DLR research team monitors Dujmovits’ and Hansen’s state of health around the clock. The daily schedule includes heart and lung function checks, blood and urine tests, fitness checks and so-called “cognition tests”, which check the reaction and perception of the subjects.

Yesterday, I visited the two climbers in their new “home”. That was possible on Wednesday for the last time without breathing mask. After more than half hour in a simulated altitude of about 3,700 meters, I felt a little bit dizzy. I preferred to do the interview with Ralf subsequently in thick air, by phone.

Ralf, you can not get out, there is no daylight, and the oxygen is lowered. That does not sound like a holiday apartment.

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A joint week in Nepal is behind Ralf Dujmovits and me. As reported before, we inaugurated the first two parts of the new school building in Thulosirubari, a small mountain village about 70 kilometers east of Kathmandu, which could be built thanks to our aid project “School up!”. And we laid the foundation for the second construction phase. In Kathmandu I conducted some interviews – you could already read those with the expedition operators Arnold Coster and Mingma Gyalje Sherpa, more will follow shortly. Ralf took the time to meet old acquaintances and to visit some of his favorite spots in the capital. The 56-year-old is so far the only German mountaineer who has scaled all 14 eight-thousanders. Only on Mount Everest in fall 1992 he used bottled oxygen. Later he tried seven times to climb the highest mountain in the world without breathing mask, seven times he failed to reach the summit – most recently in spring 2017 at 8,580 meters on the Tibetan north side of the mountain.

Ralf, we are now here in Kathmandu, not far from Mount Everest, about 160 kilometers as the crow flies. Is it not itching you a bit?

Not at all, at the moment. I have completed this story for me. Of course, I follow what’s happening on Everest. This is still very exciting. But for myself, I have closed the chapter Everest. 

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This roadblock is not an ordinary one. Five hundred meters in front of the school grounds in Thulosirubari, 70 kilometers east of the Nepalese capital Kathmandu, our journey in a jeep ends. Eight musicians stand in the middle of the dusty piste through the village. When Ralf Dujmovits – the first and so far only German mountaineer who scaled all 14 eight-thousanders – and I get out of the car, they begin to play for us on their traditional instruments. Behind the music playing village band  we ascend the last meters to the school.

There a big event has been organized for us. Several hundred students, parents, teachers, local notables and other residents of Thulosirubari are awaiting us for the ceremonial inauguration and handing over of the first two parts of the building to the local school committee – made possible by your donations to our aid project “School up!”. The old school had been so badly damaged by the devastating earthquake in Nepal on 25 April 2015 that it had had to be demolished. At the end of June 2015, I had launched together with Ralf Dujmovits and the Austrian climber Gerlinde Kaltenbrunner “School up!” to rebuild the Thulosirubari school as soon as possible.

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This seven-thousander has neither a summit, nor does it offer impressive views. It covers an area of ​​only around 110 square meters – and is located on the grounds of the German Aerospace Center (DLR) in Cologne. A hypoxia chamber within DLR’s medical research lab “:envihab” – the name stands for environment and habitat – will be comfortably furnished in the coming months.

Four weeks in the chamber

In mid-May, Ralf Dujmovits, the only German mountaineer who has climbed all 14 eight-thousanders, and his partner, the Canadian climber Nancy Hansen, will move in there for four weeks. They are taking part in a highly interesting hypoxia study conducted by DLR in cooperation with the University of Texas. The assumption: Although extreme oxygen deficiency threatens life, there could also be a positive effect on the body.

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The finishing line of the first stage of our aid project “School up!” is in sight: The first two buildings of the new school in the Nepalese mountain village of Thulosirubari will most probably be ready for occupation before the beginning of winter. The doors are fitted these days,  Shyam Pandit, liaison man of the German aid organization “Nepalhilfe Beilngries” in the Himalayan state, writes to me. The windows are already installed. Subsequently, only the painting is missing. By the end of the month, says Shyam, the contractor wants to hand over the two first building units. Then the construction work will go on.

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I will sleep well, no matter how loud it is. “I have to warn you,” said the hotel staff at the front desk. “We have three wedding parties today, and music might be played until 6 a.m.” The hotel in the village of Altrip, located on the so-called “Blue Lagoon” about 15 kilometers from the gates of Ludwigshafen, specializes in the align of weddings. On the other hand, it also offers a special discount for bike tourists. Exemplary! And so I stood around 6 p.m. in my bike pants in the hotel lobby, a few meters away from me one of the three brides – and many guests who were dressed up. “Don’t worry,” I answered to the receptionist. “I’m all run down, I’ll sleep like a stone.”

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It was the day of encounters. At first I cycled – for a change, in sunshine – along with a Swiss from the town of Zug, in his mid-60s, tanned, on a mountain bike that had already seen better days. “I’ve stopped working after 45 years,” the cyclist told me. “And now I am fulfilling my life dream. I always wanted to make a long bike trip.” I asked him how much time he took for the ride along the Rhine. “I’ll see how far I get until winter,” he said, grinning. In the further conversation it turned out that he was also a passionate mountaineer. He had climbed all four-thousanders of his home country, said the Swiss: “Actually, I had always dreamed of climbing Mount Everest one day. But tourism on this mountain has nothing to do with the way of climbing that I like.”

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