Sprouted for the Arts Festival: Two rows of metal wild flowers on steel posts have sprouted on the sidewalk along Liberty Avenue in Gateway Center for the upcoming Dollar Bank Three Rivers Arts Festival. The festival begins Friday, June 3 and runs through June 12. (Photo by Darrell Sapp/Post-Gazette) #Pittsburgh #PGH #412 #ThreeRiversArtsFestival #ArtsFestival #GatewayCenter