This photograph is possibly related to a similar one of a damaged aqueduct pipe captioned, "Views in Owens River Valley Above—The power plant, X showing where second explosion took place. Center—The blown out section of pipe. Below—No Name Canyon, scene of Friday’s dynamiting," Los Angeles Times, 29 May 1927: 2
A view of spectators ready to hear speeches at City Hall steps, take from the building's facade. Military personnel stand in formation on the street and the State Building and County Courthouse are visible in the background. The "Birthday Fiesta Pageant" marks the anniversary of Spanish settlers' "founding" of Los Angeles.