The Hamanako Flower Expo Flower Street and Gangi is a temporary architectural installation completed in 2004, designed by Kurui Comprehensive Planning Office and Masayuki Kakiuchi. This structure served as a passageway and bridge within the flower expo grounds, functioning as both a museum and exhibition space. The design thoughtfully integrates traditional Japanese architectural elements, particularly the gangi, a historic covered walkway system. The project demonstrates how temporary exhibition architecture can meaningfully blend contemporary design with cultural heritage, creating an engaging visitor experience that celebrates both horticultural beauty and architectural innovation.