John Knight's billboard makes a political plea for good, clean water. Gucci and Kirstie Alley look on. Photo by Gerard Smulevich. Photo 9 of 13 in How Many Billboards? in LA by Aaron Britt

How Many Billboards? in LA

9 of 13

John Knight's billboard makes a political plea for good, clean water. Gucci and Kirstie Alley look on. Photo by Gerard Smulevich.