Original sentence: Since the early 1600s a lineage of tulkus (reincarnate lamas), known as the Dalai Lamas have administered Tibet, and the 14 Dalai Lamas are believed to be the emanations of Avalokiteśvara ("Chenrezig" [spyan ras gzigs] in Tibetan), the bodhisattva of compassion
Edited sentence: From the early 1600s the Dalai Lamas, also considered as spiritual leaders of the region , are believed to be the emanations of Avalokiteśvara ("Chenrezig" [spyan ras gzigs] in Tibetan), the bodhisattva of compassion