Trekking beyond 4,500 meters introduces significantly reduced oxygen levels, making every step more physically demanding. Sherpa guides employ evidence-based acclimatization strategies such as “climb high, sleep low,” gradual elevation gains, and carefully timed rest days to mitigate altitude-related stress, allowing trekkers to progress confidently toward Everest Base Camp while mini... https://sherpateams.com/package/everest-base-camp-trek-12-days