Sorinto Pillar (相輪?)
A Sorinto Pillar is a Buddhist facility. Also written out as 'sorinto' with the kanji for 'to' representing a pagoda or tower.
Sorinto Pillars are considered to be a kind of Buddhist pagoda. Sorinto Pillars are three- or five-storied pagodas with the roofs being removed, whereby they consist of a pillar and Sorin (metal pinnacle on the top of a pagoda) on the top of the pagoda with supporting columns on 4 sides.