The photography of a guy called Tok | this one time, i saw a double exit

this one time, i saw a double exit | what does it mean? | 12:06:2014

https://www.youtube.com/watch?v=OQSNhk5ICTI

Camera: NIKON D7000 | Lens: 50 mm | Aperture: f/4.5 | Shutter: 1/50 sec | ISO: 2500