CANTON — Yoga in the Park will return for its 20th season with free community yoga classes Fridays from July 10 through Aug. 28, from 11 a.m. to noon at Canton Village Park. Classes will be held alongside the Canton Farmers Market and are open to all ages and experience levels. Participants should bring a yoga mat, towel or blanket. Classes will move indoors to Church on the Park Fellowship Hall in the event of rain. The program is hosted by The Yoga Loft, a Canton-based nonprofit.