Well into his 90s , Beru no longer contributed directly to the art - work .
Well into his 90s , Beru no longer remained a leading authority on matters of Tibetan art , and was regularly consulted by practicing thangka artists .
Well into his 90s , Beru no longer contributed directly to the art - work , but remained a leading authority on matters of Tibetan art , and was regularly consulted by practicing thangka artists .