world #NewsWorld Xenon gas could speed Everest treks. There's concern it could also leave climbers dangerously unprepared CBC Thu 7m read www.cbc.ca Related stories bc Renowned Everest guide says using xenon speeds climb and makes it safer, better for environment Prince George Citizen May 26 3m read
bc Renowned Everest guide says using xenon speeds climb and makes it safer, better for environment Prince George Citizen May 26 3m read
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