It's been 10 years since California's last execution. But death row continues to grow.
What began in 1852 as 20 acres of seaside land purchased for $10,000 is now known as San Quentin State Prison.
Today, the prison covers 432 acres, and it houses over 4,000 men, including hundreds of men who are on death row.
Visitors arrive at San Quentin State Prison in 2015. All photos by Justin Sullivan/Getty Images.
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