 Chinas prolific and big-spending tourists have been stuck at home, unable to travel for almost three years, and their looming return has industry professionals abuzz at a major Madrid tourism congress this week.China was the worlds largest outbound tourist market before the pandemic, with 154 million international travellers in 2019, according to the UN World Tourism Organization UNWTO.Travellers from China were also the biggest spenders, accounting for 255 billion in tourism dollars, the M... 