Fourth Avenue Fourth Ave Birkenstock, Kayser Building, May 2, 2020 Year 2020 Month May Day 2 Rights Held By Ann Arbor District Library Copyright Creative Commons (Attribution, Non-Commercial, Share-alike) AADL Buildings Photo Subjects Fourth Avenue Fourth Ave Birkenstock Birkenstock Footwear Kayser Block Amy Cantu AADL Buildings 209 N Fourth Ave