Boudhanath stupa, Kathmandu, Nepal.
This stupa concentrates many of the features that a huge polar plasma discharge instablities would create, according to Peratt’s paper.
- Radial filaments (covering the whole sky)
- Polar mound
- Ladder (a stepped pyramid)
- A cap or bulb on top of the steps, which is also the source of the sky-spanning rays
- Big eyes and nose
The whole complex can be seen here (also from Wikipedia):
The site was probably founded between 5th and 6th century CE (w):
The Gopālarājavaṃśāvalī (Gopu) says Boudhanath was founded by the Nepalese Licchavi king Śivadeva (c. 590-604 CE); though other Nepalese chronicles date it to the reign of King Mānadeva (464-505 CE). Tibetan sources claim a mound on the site was excavated in the late 15th or early 16th century and the bones of king Aṃshuvarmā 605-621 were discovered there.