Fifty-thousand fans packed Nationals Park Monday night to see boy band One Direction perform in a light rain with something called 5 Seconds of Summer. The night produced some stunning and stinky visuals of the crowd and portable restrooms in the Nationals’ bullpen.

It isn’t the first time the home bullpen has been transformed into a porta-potty village. Fans untucked and tucked in Rafael Soriano’s lair during the Paul McCartney concert last season and at the Jason Aldean and Billy Joel concerts on July 25 and July 26 of this year.

There was residual porta-potty smell in the bullpen when the Nationals opened an eight-game homestand on July 31 and Nats relievers allowed five runs in 5 1/3 innings of relief in a 10-4 loss to the Phillies.

The obvious question: Why not put the portable restrooms in the visitors’ bullpen? The answer, from a Nationals spokesperson, isn’t all that exciting. The home bullpen provides easy access to the Nationals Park service tunnel, which makes it the most convenient location.

Thanks to Nats Enquirer.