It is absolutely necessary on the line.
It is necessary to improve your morale, but borrowing holy items will go smoothly.
Sacred material is called Buddhist stupa
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The ruling tribe of Kushinagar, the land of Buddha extinction, initially expressed its monopoly on the stupa, and there was a dispute over the stupa with the neighboring countries that made Buddhism the national religion. In addition, the container and the remaining ash were added and dedicated to 10 temples inside and outside.
After 200 years, Mauritian king Ashoka, a devout Buddhist in India, achieved the unification of India, and then excavated seven stupas from the eight dedicated stupas throughout the country. They were finely pulverized, divided into grains, and the ash cake was subdivided into small amounts, and finally redistributed to over 80,000 temples, including neighboring countries. 
Japanese stupa



