One of the highlights of the dance programming at this year’s Dollar Bank Three Rivers Arts Festival, a production of the Pittsburgh Cultural Trust, is Blue Lapis Light — an aerial dance troupe from Austin, Texas. But to see it in action, you’ll have to look up. Pictured is the group during a rehearsal Wednesday. At 9 p.m. Friday and Saturday, the group of four artists will make its Pittsburgh debut in a new work, “Stardust.” (Photos by Andrew Rush/Post-Gazette) #Pittsburgh #PGH #412 #Stardust #BlueLapisLight #ThreeRiversArtsFestival #ArtsFestival #PGPhotos