FREE. A moai is a group of 5–8 people who walk together for an hour, once a week. Sponsored by Blue Zones of Mendocino. Tuesdays. 4–5 p.m Please note: Must arrive at 3:45 p.m. for check-in, or you will not be able to join. Runs thru Apr. 6. Hopland Research Center. 4070 University Rd., Hopland. tinyurl.com/bdryw6fa.