(Reuters) - A German vintner acting on a hunch uncovered a hidden trove of wine untouched since 1945.Andreas Neymeyer discovered 500 bottles under a cellar staircase while clearing out a burned-out building on his 38 hectare (94 acre) vineyard in southern Germany shortly before Christmas."It was my uncle's idea," Neymeyer told Reuters. "I was preparing the building to be torn down and he knew that wine had been hidden sometime before the end of World War II.