"How should we act, Lord, respecting the body of the Tathagata?"

"Do not hinder yourselves, Ananda, to honor the body of the Tathagata... At a crossroads also a stupa should be raised for the Tathagata. And whosoever shall bring to that place garlands or incense or sandalpaste, or pay reverence, and whose mind becomes calm there — it will be to his well being and happiness for a long time."

Partial excerpt from DN 16 : Maha-parinibbana Sutta