Laddakh Art
The second change was a belief in Bodhisattvas. These were supposed to be persons who had attained enlightenment. Once they attained enlightenment, they could live in complete isolation and meditate in peace.
However, instead of doing that, they remained in the world to teach and help other people. The worship of Bodhisattvas became very popular, and spread throughout Central Asia, China, and later to Korea and Japan.