The campus, which is integrated with the Tsuruoka Park, includes the Institute for Advanced Biosciences Keio University, the Tsuruoka Campus of Tohoku University of Community Service and Science and Chido Library. This Town Campus forms a new-style education and research facility and is open to the public. The New Hyakken moat in front of the building was created in the image of the old outer moat around Tsurugaoka castle. It has a device to purify water by plant or microbe called biotope. Enjoy a peaceful view from the restaurant on the open deck.