The Hollywood Bowl: Through the years

Opened in 1922, the Hollywood Bowl is the largest natural amphitheater in the United States, with a seating capacity of nearly 18,000. On October 15, it will play host to "A Decade of Difference: A Concert Celebrating 10 Years Of The William J. Clinton Foundation," featuring performances by Lady Gaga, Usher, Kenny Chesney, Juanes, K'naan, The Edge and Bono.