Big Brother 13 backyard picture
Large amounts of colorful graffiti adorn the walls of the backyard of the Big Brother 13 house. (Click photo for a larger image) The house seems to have a beach amusement park theme – You can CLICK HERE to see tons more photos of the interior and exterior of the Big Brother 13 house and for the first batch of photos released of just the interior of the house. (Photos: CBS / Sonja Flemming)

