Tea ceremony, haiku and cherry-blossom viewing, for instance, all share a heightened appreciation of the moment. In tea ceremony, participants take time to notice the design of the cup before drinking and appreciate the decoration of the tea room, which reflects the foliage and blooms of the month. But beyond that, the ceremony celebrates the fact that this moment with this person in this place will never happen again.

http://www.bbc.com/travel/story/20170504-the-japanese-skill-copied-by-the-world