Boudhanath's dome is built to a cosmological plan, and the two painted eyes looking out from it are meant to be watching, not just decorating.
A mandala in stone
The stupa's structure, a stepped base rising to a dome and spire, follows the layout of a mandala, a symbolic diagram of the Buddhist universe, with the whole monument functioning as a three-dimensional representation of enlightenment rather than only a container for relics. Painted on all four sides of the spire's base are the so-called Wisdom Eyes, watching in each cardinal direction, with a curling symbol between them commonly read as the Nepali numeral for one, representing the unity of all things.
A community that arrived in 1959
The neighbourhood surrounding Boudhanath grew substantially after 1959, when Tibetan refugees fleeing the Lhasa uprising settled around the stupa in large numbers, establishing monasteries of multiple Tibetan Buddhist lineages nearby. That community has since made Boudhanath a centre of Tibetan Buddhist life in exile, distinct from, though closely linked to, the Newar Buddhist community that had maintained the site for centuries before their arrival.
Walked, not just visited
Pilgrims and residents alike perform kora, circumambulating the stupa clockwise, often multiple times daily, spinning prayer wheels set into its base as they go, making the stupa a site of continuous everyday practice rather than only occasional pilgrimage.