This woman is a Hindu sādhvī at the Pashupatinath Temple in Kathmandu.
A sadhu (IAST: sādhu (male), sādhvī or sādhvīne (female)), also spelled saddhu, is a religious ascetic, mendicant (monk) or any holy person in Hinduism and Jainism who has renounced the worldly life. They are sometimes alternatively referred to as jogi, sannyasi or vairagi.It literally means one who practises a ″sadhana″ or keenly follows a path of spiritual discipline.https://en.wikipedia.org/wiki/Sadhu
This may be my favorite selfie ever. I had to pay her a few dollars. Totally worth it.