Many of the people you will see circumambulating Boudhanath are Tibetans rather than Nepalis, and those with long braids and wild costumes are usually Tibetans who have only recently arrived in Kathmandu.
Many of the Tibetans in Nepal are actually refugees.
mnli hypothesis: Many of the Tibetans in Nepal are actually refugees. premise: Many of the people you will see circumambulating Boudhanath are Tibetans rather than Nepalis, and those with long braids and wild costumes are usually Tibetans who have only recently arrived in Kathmandu.