3.B.T. Productions will hold its second “Diversity in Film” panel at The Lindsay Theater and Cultural Center in Sewickley on Thursday, July 23, at 7 p.m. 3.B.T. is a Pittsburgh-based production company that was founded by local filmmakers Xayne Allen, Delaney Hathaway and Charlie Grey in 2021. “Diversity in Film: Vol. 2” will feature 10 locally made shorts and a panel of five film industry professionals discussing the importance of telling stories from many different perspectives. Tickets are free, but RSVPs are recommended in advance due to space limitations.