Thomas Wirnsperger has experienced a lot in his 32 years as managing director of the Grossarler Tourismusverband, especially growth. The number of beds in the valley has grown by 70 percent to 4,800, overnight stays in winter have doubled and those in summer have increased sixfold. The town has 19 four and two five-star hotels. And Wirnsperger is certain: “There is no Plan B when it comes to snow and skiing on a winter holiday,” as he emphasized at an expert meeting of the WKO tourism division in Grossarl. That is why one will , as long as …