ALTON - The 35th annual Alton Juneteenth Celebration drew an estimated 900 to 1,000 people recently to James Killion Park at Salu, where organizers said the event continued its long-running tradition of bringing the community together through speakers, entertainment, vendors, and family activities.The event in Alton marked its 35th anniversary, and Abe Lee Barham, an organizer, said attendance was slightly lower than usual because of overcast we…