I Wonder

Foo found these curious 70-foot-tall pillars outside the Wortham Center, and he wondered what they were. Upon closer inspection, he realized he wasn't that far off. Called the Seven Wonders, the columns highlight Houston's history through agriculture, energy, manufacturing, medicine, philanthropy, technology and transportation. Each column is constructed of 150 individual children's drawings that are etched in stainless steel plate. Very Foo cool!