We were walking back to our hotel after dinner in Madrid. The tour bus was finishing for the day with only one passenger left aboard. He and the driver were so obviously enjoying their conversation that I couldn't resist the shot.

Camera: Nikon D700
Lens: Nikkor 28 - 300 mm f/3.5-5.6 at 65 mm
Exposure: 1/60 sec at f/4.8, ISO 4000
Treatment: Noise reduction with Nik Dfine2, minor edits in Lightroom 5 and Photoshop CS6