Artificial or natural?

http://t2.stooorage.com/thumbs/1622/6916121_--_thumbs.jpg

Duration: 00:02:00
Filesize: 68.68 MB
VIDEO: 720x576 at 30.000 fps, M-JPEG, 4800 Kbps
AUDIO: 44.1 KHz, PCM@Microsoft, 2 ch, 1411.2 Kbps

http://depositfiles.com/files/ebxwqbzrz