The custom is said to have started during the Nara Period -LRB- NUMBER@1 NUMBER@2 -RRB- when the MISC@1 influenced LOCATION@1 in many ways ; one of which was the custom of enjoying flowers .

It is said to have started during the Nara Period -LRB- NUMBER@3 -RRB- when the MISC@1 influenced LOCATION@1 in many ways ; one of which was the custom of enjoying flowers .
