Chandali in Tibetan Buddhism/Tummo and the Dalai Lama's Secret Temple

Tummo/Caṇḍālī is symbolism is indicated by the red lines that show the Kuṇḍalinī energy moving through the different chakra centres of the body.

The Dalai Lama's Secret Temple: Tantric Wall Paintings from Tibet, ​Page 74.

The Dalai Lama's Secret Temple: Tantric Wall Paintings from Tibet, ​Page 98.

The Dalai Lama's Secret Temple: Tantric Wall Paintings from Tibet, ​Page 99.