Kyoto International Conference Center 国立京都国際会館
The Kyoto Protocol was signed here in 1997: you can visit only on special days.
Opened on 21 May 1966 in the Takaragaike neighbourhood, north of the city, overlooking an artificial pond with Mount Hiei in the background. Selected as one of the hundred best public buildings in Japan in 1998 and as one of the twenty most significant modern Japanese buildings in 1999.
Kyoto
Matsugasaki, Kokusaikaikan
https://theanimetrip.com/luoghi/kyoto-international-conference-center