Two marches held in Chapala for Labor Day Chapala union workers participated Around 200 union workers from the City Hall, SIMAPA and DIF Chapala, participated in the May 1 march in Chapala. Photo: Mr. Arturo Ortega. By Arturo Ortega on May 9, 2023 You need to be logged in to view this content. Please Log In. Not a Member? Join Us