Sheboygan, Wis. (WHBL) - A Sheboygan man is facing Child Pornography Charges after allegedly uploading pornographic pictures of young boys on facebook.  24 year old Tong Yang is facing 50 years in prison after the facebook corporation alerted Officials in Wisconsin that pornographic photos of teenage boys had been uploaded to facebook.  Authorities were able to trace the photos back to Yang’s computer by using his email and IP address, and, after 2 months of investigation, executed a search warrant at a home on North 8^th Street in Sheboygan on Monday.  Five computers were taken from the residence, and investigators found photos of boys as young as 8 years old engaging in sexual activity.