Which European Square does Tsukuba Square in Japan refer to?

Campidoria Square. According to the query of Japan Architecture Network, Tsukuba Square in Japan refers to Campidoglio Square in Rome, and its design is distorted or reversed with reference to various styles in the past in western culture, which is harmonious and unified, and endowed with multiple meanings by means of metaphors and symbols. Tsukuba Center Building in Japan is a complex building including hotel, civic hall, concert hall, information center and commercial street, located in the center of Tsukuba Science City.