四塔

The four (sa) stūpas at the places of Buddha's birth, Kapilavastu; enlightenment, Magadha: preaching, Benares; and parinirvāṇa, Kuśinagara. Four more are located in the heavens of the Travastriṃśas gods, one each tor his hair, nails, begging bowl, and teeth, E., S., W., N., respectively.