Some pictures and videos

/album/some-pictures-and-videos/juan-valdez-opperational-efficency-jpg/ /album/some-pictures-and-videos/evolution-of-friends-program-jpg/ /album/some-pictures-and-videos/indicators-of-juan-valdez-jpg/ /album/some-pictures-and-videos/social-networks-in-peru-chile-and-kuwait-jpg/
/album/some-pictures-and-videos/traffic-on-social-networks-juan-valdez-jpg/ /album/some-pictures-and-videos/valdez-png/ /album/some-pictures-and-videos/jval-jpg/ /album/some-pictures-and-videos/val-png/
/album/some-pictures-and-videos/j-png/