设计公司
Tokyo Metropolitan Government Bureau of Sewerage + NTT Urban Development Corporation + TAISEI CORPORATION + Hulic Co.,Ltd. + Tokyo Urban Development Co.,Ltd.
设计师
Tamon Hagiwara, NTT FACILITIES, INC. + Yuichi Minemura, Kousei Sasaki TAISEI CORPORATION + Koichi Nagaoka, NTT Urban Development Corporation