A mural is displayed in the brewhouse at the Anheuser-Busch brewery in Fort Collins, Colorado March 2, 2017. REUTERS/Rick Wilking

A crucifix is seen in the brewhouse of the 'Kloster Andechs' brewery in Andechs near Munich, Germany, April 19, 2016. Germany this year marks 500 years of the so-called Reinheitsgebot (purity law), introduced in Bavaria in 1516 to limit the ingredients used in the beer production to hops, barley and water. REUTERS/Michaela Rehle

Employee Michael Strohschneider controls a sample of wort in the brewhouse of the 'Kloster Andechs' brewery in Andechs near Munich, Germany, April 19, 2016. Germany this year marks 500 years of the so-called Reinheitsgebot (purity law), introduced in Bavaria in 1516 to limit the ingredients used in the beer production to hops, barley and water. REUTERS/Michaela Rehle

Employee Michael Strohschneider takes a sample of wort in the brewhouse of the 'Kloster Andechs' brewery in Andechs near Munich, Germany, April 19, 2016. Germany this year marks 500 years of the so-called Reinheitsgebot (purity law), introduced in Bavaria in 1516 to limit the ingredients used in the beer production to hops, barley and water. REUTERS/Michaela Rehle

Employee Michael Strohschneider takes a sample of wort in the brewhouse of the 'Kloster Andechs' brewery in Andechs near Munich, Germany, April 19, 2016. Germany this year marks 500 years of the so-called Reinheitsgebot (purity law), introduced in Bavaria in 1516 to limit the ingredients used in the beer production to hops, barley and water. REUTERS/Michaela Rehle

An overview shows the brewhouse of the 'Kloster Andechs' brewery in Andechs near Munich, Germany, April 19, 2016. Germany this year marks 500 years of the so-called Reinheitsgebot (purity law), introduced in Bavaria in 1516 to limit the ingredients used in the beer production to hops, barley and water. REUTERS/Michaela Rehle

Louisiana National Guardsman secure the Crescent City Brewhouse on Decatur Street after Hurricane Isaac damaged the building's front doors in New Orleans, Louisiana August 29, 2012. Hurricane Isaac drove water over the top of a levee on the outskirts of New Orleans on Wednesday, but the multibillion-dollar barriers built to protect the city itself after the 2005 Katrina disaster were not breached, officials said. REUTERS/Sean Gardner (UNITED STATES - Tags: ENVIRONMENT DISASTER MILITARY)

Brewer Peter Gensler controls the fermentation process in the Bionade brewhouse in the central German village of Ostheim vor der Rhoen April 19, 2007. Bionade was founded in 1995 when Dieter Leipold, whose family brewery was on the brink of collapse, started work on his dream to create a non-alcoholic organic soft drink that would be fermented on beer-brewing principles. In 2006 Bionade produced some 75 million bottles in the flavours orange ginger, elderberry, lychee and herb. REUTERS/Alex Grimm (GERMANY)

Brewer Peter Gensler controls the fermentation process in the Bionade brewhouse in the central German village of Ostheim vor der Rhoen April 19, 2007. Bionade was founded in 1995 when Dieter Leipold, whose family brewery was on the brink of collapse, started work on his dream to create a non-alcoholic organic soft drink that would be fermented on beer-brewing principles. In 2006 Bionade produced some 75 million bottles in the flavours orange ginger, elderberry, lychee and herb. REUTERS/Alex Grimm (GERMANY)

Bottles with the four flavours of Bionade are seen in a box in front of the Bionade brewhouse in the central German village of Ostheim vor der Rhoen April 19, 2007. Bionade was founded in 1995 when Dieter Leipold, whose family brewery was on the brink of collapse, started work on his dream to create a non-alcoholic organic soft drink that would be fermented on beer-brewing principles. In 2006 Bionade produced some 75 million bottles in the flavours orange ginger, elderberry, lychee and herb. REUTERS/Alex Grimm (GERMANY)

Bottles with the four flavours of Bionade are seen in the brewhouse in the central German village of Ostheim vor der Rhoen April 19, 2007. Bionade was founded in 1995 when Dieter Leipold, whose family brewery was on the brink of collapse, started work on his dream to create a non-alcoholic organic soft drink that would be fermented on beer-brewing principles. In 2006 Bionade produced some 75 million bottles in the flavours orange ginger, elderberry, lychee and herb. REUTERS/Alex Grimm (GERMANY)

Bottles with the four flavours of Bionade are seen in the brewhouse as brewer Peter Gensler controls the fermentation process in the central German village of Ostheim vor der Rhoen April 19, 2007. Bionade was founded in 1995 when Dieter Leipold, whose family brewery was on the brink of collapse, started work on his dream to create a non-alcoholic organic soft drink that would be fermented on beer-brewing principles. In 2006 Bionade produced some 75 million bottles in the flavours orange ginger, elderberry, lychee and herb. REUTERS/Alex Grimm (GERMANY)

Brewer Peter Gensler controls the fermentation process in the Bionade brewhouse in the central German village of Ostheim vor der Rhoen April 19, 2007. Bionade was founded in 1995 when Dieter Leipold, whose family brewery was on the brink of collapse, started work on his dream to create a non-alcoholic organic soft drink that would be fermented on beer-brewing principles. In 2006 Bionade produced some 75 million bottles in the flavours of orange ginger, elderberry, lychee and herb. REUTERS/Alex Grimm (GERMANY)