The form of Shiva emerging from the infinite pillar of fire (linga) to demonstrate his supremacy to Brahma and Vishnu. Represents Shiva as the primordial, formless yet manifest, infinite reality.
Shiva emerging from the infinite linga of fire. Brahma as a swan flying upward to find the top, Vishnu as a boar digging downward to find the bottom. Both unable to find the limits.