It looks like the upcoming West Philly outpost of Shake Shack isn't the only Philadelphia-based expansion for Danny Meyer's hamburger juggernaut chain: Shake Shack is going to open a new location in King of Prussia, a suburb of Philly. Building out on what used to be a Wachovia Bank, it will be solar powered and is scheduled to open Fall 2013. [Eater Philly]
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