I got to see the original Joshua Tree tour when it stopped at Three Rivers Stadium on October 13, 1987. Last night, the band played Heinz Field, and the album in its entirety. There was even a rainbow right before the band started their set.
They started on a secondary smaller stage for the first four songs, then moved to the massive main stage to track through all 11 songs of "The Joshua Tree" album. Then an encore of five songs. A great show!
Early in the show, the band asked the fans to light up Heinz Field. I didn't get a great photo of the crowd, but I found a couple good ones on Twitter: