Designed by renowned architect Shigeru Ban and completed in 2018, the Shonai Hotel Suiden Terrace Kids Dome Sorai stands as a striking example of contemporary architecture in Tsuruoka, Yamagata Prefecture. This innovative facility seamlessly integrates multiple functions, serving as an indoor sports facility, children's welfare center, and hotel accommodation. Ban's distinctive architectural approach is evident in the structure's bold design and thoughtful integration with its surrounding landscape. The facility exemplifies modern Japanese architectural principles while meeting diverse community needs, making it a significant addition to the region's cultural and recreational infrastructure.