sentences:  Four thousand years of winemaking history counted for little after the "antifreeze scandal" of 1985, when it was revealed that some wine brokers had been adulterating their wines with diethylene glycol.The scandal destroyed the market for Austrian wine and compelled Austria to tackle low standards of bulk wine production, and reposition itself as a producer of quality wines.The country is also home to Riedel, makers of some of the most expensive wine glasses in the world.