What Causes Mountain Sickness at High Altitude?
What causes mountain sickness? Learn how lower oxygen, rapid ascent, exertion and individual response affect trekkers, plus ways to stay safer.
Brothers International Tours & Trading Pte Ltd is a family-owned travel agency based in Singapore and Kathmandu, Nepal. Since our establishment in 1992, we have specialized in offering exceptional leisure and adventure travel packages to a variety of stunning destinations, including Nepal, Bhutan, India (Kashmir, Sikkim, and Darjeeling), Tibet, Sri Lanka, Central Asia, Kazakhstan, Kyrgyzstan, Tajikistan, Pakistan, Vietnam, and Cambodia.
