Video:
- Title: Abyss by Progmalite
- Author: Alberto Salvia Novella (es20490446e)
- License: Latest CC-BY-NC-SA
Audio:
- Title: Abyss
- Author: Progmalite
- License: CC-BY-NC-SA-3.0
- Source: / abyss
Photo:
- Title: Dark City
- Author: Dennis Leung
- License: CC-BY-2.0
- Source: www.flickr.com/photos/4898044...