Aerial view of large group of people, many on horses, apparently taking part in either an informal rodeo, or possibly a horse sale. This appears to be intersection of Las Tunas and Temple City Blvd. Building seen at top of photo is probably Vernon's Pharmacy of Temple City, located on NW corner of this intersection. There is a companion photo to this photo, #643. Vera Van Iaawarden, who lives in Temple City, says her father believes this was a balloon ascension.

https://arcadiahistory.andornot.com/en/permalink/photographs543