Festive events and promotions across Hong Kong marking the 29th anniversary of its return to Chinese sovereignty have drawn large numbers of mainland tourists to major attractions and landmarks in the city.Amid a sea of red national flags and celebratory banners on Wednesday, visitors told the South China Morning Post that they thoroughly enjoyed the perks on offer, including complimentary ferry rides, free museum admissions and an array of dining and retail discounts of up to 29 per...