This Dr. Horrible's Sing-A-Long Blog foto might contain
institución penal, centro penitenciario, institución penitenciaria, penal centro, calle, escena de la ciudad, entorno urbano, configuración de la escena de calle, ciudad, and urbano.
"I couldn't help but notice that the first time Barney suited-up was a whole lot like the first time Dr. Horrible suited-up for the ELE. Since they're both Neil Patrick Harris, this video was inevitable. Not ineffable -- inevitable."