A Heated Retreat for African Lions DELTA-THERM Corporation, 6711 Sands Rd Ste A, Crystal Lake, IL 60014 info@delta-therm.com (847) 526-2407 Fax (847) 526-4456 (800) 526-7887 A famous 70s song goes, “in the jungle, the mighty jungle, the lion sleeps tonight.” It’s a little hard for African lions to sleep in the state of Michigan, where temperatures dip well be- low what they’re used to. But with some creative design work, intel- ligent engi

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