Category: Observer Editor Chinese Mah-Jongg: Ann Arbor Senior Center. June 1, 2022 11:30 am Observer EditorObserver Editor Chinese Mah-Jongg: Ann Arbor Senior Center. Every Wed. 11:30 a.m.–2:30 p.m. $2; members, free. Ann Arbor Senior Center (1320 Baldwin Ave.). Weekly activities. Reserve a spot and check meeting status by calling 794–6250.