We Are One will host the third annual “Let’s Be Safe: Laughter is Medicine” event from 11 a.m. to 3 p.m. at the Konko Church of San Francisco at 1755 Laguna St. in S.F.’s Japantown. It will feature puppets and play-based storytelling with Daniel Gill, Laughter Yoga with Sister Vaishall Patel and “Warau calligraphy with Rev. Masato Kawahatsu. Includes food and drink. $10 donation encouraged. Register: weareonesf.org.