InterContinental Marks 75 years of Pioneering Luxury Travel with a Celebration of Rich Heritage, Iconic Hotels and Exclusive Experiences | #IHGHotels #InterContinental #travel #75years #DiamondAnniversary #heritage #iconic #JourneytoTomorrow #staypackages #JaneMackie #MichaelMayernik #Intercontinentallife #hozpitality