Beautiful, blue-sky day at Keystone Ski Resort. November 17, 2011 by Matt ThomasBeautiful, blue-sky day at Keystone Ski Resort. Keystone Ski Resort About Matt Thomas Matt is an avid writer and explorer, who loves to showcase his home state of Colorado. His favorite place to be is right here in the Centennial State. Previous Post:Beautiful, blue-sky day at Keystone Ski Resort.