https://magazine.wharton.upenn.edu/tag/summer-blockbusters/
summer blockbusters Archives - Wharton Magazine
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https://www.thewrap.com/summer-gridlock-will-box-office-be-too-crowded-blockbusters-24560/
Gridlock! 2011 Summer of Too Many Blockbusters? - TheWrap
Feb 10, 2011 - More than 14 big-budget tentpoles packed into a 12-week period. Why Hollywood is set up for too much of a good thing
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