A yogin perceives god (Siva) inside of himself; illustrations or photos are for those who have not attained this knowledge. Other worship routines during the temple may well involve recitations or readings from sacred textbooks, some involving a reader and listeners and Some others involving group recitation of sacred texts https://hanumanmandiradelaide.art.blog/2025/05/20/a-spiritual-journey-through-sacred-spaces-in-australia/