The colourful flags found at “The Roof of the World” are called prayer flags. Tibetans believe that the mantras written on the flags will be blown by the wind to spread goodwill throughout the world. As air passes through the surface of the flags, the air is sanctified and purified by the mantras. The prayers on a flag will fade and be part of the fabric of the universe.
Tibetan Buddhist teachings tells us how nothing lasts forever, but yet, do, at the same time. Researching about Tibet has been rather troubling. The feeling of loss is even more paramount when I read about how the Dalai Lama was exiled and how the communist regime treated the Tibetans and their peaceful culture :c