Answer:
We nepalese people have diversified climate verification lifestyle and other variation due to cultural variation because Nepali itself is divided into 3 regions (terai,hilly and mountain).
People of different culture/ethnicity live in their particular regions such as Sherpas, Manangis,Lopas etc are inhabitant of mountain region. Rai,Limbu,Chettris etc are inhabitant of hilly and Tharus,Brahmin
,Madhesi etc are inhabitant of terai.
Their inhabitants differ their lifestyle as terai people are inhabitant of hot climate,hilly people are inhabitant of mild climate and people on the mountain are inhabitant of cold climate. They celebrate their own culture on the basis of their inhabitants.