<human>:  What is the history of the Japanese tea ceremony?
<bot>: The Japanese tea ceremony, or Chazen, is a centuries-old tradition in Japan that involves the ceremonial preparation and presentation of powdered green tea. It is an iconic part of Japanese culture with a history that stretches back to the ninth century. The tea ceremony developed alongside other Japanese traditions, playing an important role in defining rituals of respect and cleanliness. The Japanese tea ceremony has evolved over time, incorporating traditional elements such as the utensils and procedures with modern influences, all while preserving the spirit of the original practice. Those who participate in the tea ceremony accept and adhere to the philosophy that tea is more than just a beverage, but actually a way of living.