Complex sentence: The "bimo", once taken to be the backward elements impeding the socialist construction are now revered as guardians of the Yi culture, positive force for development and construction of a harmonious society, and they organise large-scale rituals for the yearly Torch Festival.
Split into simpler sentences: The "bimo", once taken to be the backward elements impeding the socialist construction, are now revered as guardians of the Yi culture. They are a positive force for development and construction of a harmonious society, and they organise large-scale rituals for the yearly Torch Festival.