Three-year-old Sophie Li, above, plays with flowers held by her mother, Yan Yan Mai, after Mai received her certificate of citizenship in a naturalization ceremony at Lyman Moore Middle School in Portland on Friday. Below, Uweis Mohamed and his son Mohamed Ali, 2, listen to a speaker during the ceremony. Mohamed, who came to America from Somalia and now lives in Lewiston, and Mai, a Portland resident, were among 38 people who became U.S. citizens at the event.