Overland Partners' James Lancaster works on the head of &quot;Canosaurus,&quot; an entry in the 7th annual Canstruction at North Star Mall, Sunday, Sept. 16, 2012. Eleven teams of architects, engineers, general contractors and students used over 30,000 cans of food to create various designs. The entries will be on display for two weeks and all canned good will be donated to the San Antonio Food Bank. Photo: Jerry Lara, San Antonio Express-News / © 2012 San Antonio Express-News