What is the fine-grained topic of the following text: The march, which will take place on March 25 in Duvall, is a pedestrian-only parade that will feature people-powered floats, hand-made costumes, and local musicians, all welcoming the Snoqualmie Valley’s vegetables back for this year’s growing season. Only return the topic.
A pedestrian-only parade in Duvall celebrating the return of the growing season