Jean Van Roy, head of the Cantillon brewery checks boiled mash liquor during the brewing process in Brussels, capital of Belgium on Nov. 10, 2012. Cantillon brewery, founded in 1900, is one of the few beer brewers still running in Brussels city. It follows traditional way to brew lambic style beers, a unique spontaneous fermented beer only produced in Brussels region. [Photo/Xinhua]

Two men visit vapor-full brewing workshop at the Cantillon brewery in Brussels, capital of Belgium on Nov. 10, 2012. Cantillon brewery, founded in 1900, is one of the few beer brewers still running in Brussels city. It follows traditional way to brew lambic style beers, a unique spontaneous fermented beer only produced in Brussels region. [Photo/Xinhua]