The Tokyo Grand Tea Ceremony 2015 was held on October 3 and 4 at Edo-Tokyo Open Air Architectural Museum and October 10 and 11 at Hama-rikyu Gardens for foreiners and beginners to introduce and enjoy “Sado,”a traditional tea ceremony.

Organized by: Tokyo Metropolitan Government, Arts Council Tokyo (Tokyo Metropolitan Foundation for History and Culture)

https://www.artscouncil-tokyo.jp/en/what-we-do/creation/festivals/tokyo-grand-tea-ceremony/2174/