For me Tumbas, they have offered me not only accommodation but home to built connection with their culture. Culture you will try to put into your memory diary for your entire life. Welcoming smile by the Tsumbas land.
After the Invasion by Chinese in Tibet they flew to high Himalayas land of Nepal. Still they hold the pure Tibetan culture so, it will not be mistaken to call the mini-Tibetan land of Nepal.  As a traveler you will find that purity in them but influence from modern rays can not be ignored.
Depending upon the agriculture is their main source of income still this days. Trading with the Tibetan people for goods and necessities they needed. As for now another source for their living is Tourism, operating the local lodges for travel and small shops for traveler is common. Because of this traveling have made them more cheaper for everyone compare to pass days.