Yes there are other uses for beer apart from quenching thirst, supplying a valid reason to hold an Oktoberfest or ensuring fasting monks could stay awake, and here is one:
'Blumengiessen auf Bairish'. Watering Window Boxes the Bavarian Way. After all in Bavaria beer is officially considered a food, even for growing plants obviously.
Window boxes and balcony gardens are a passion in Germany and, with or without the addition of beer, planning for the coming season and its Blumenschmuck is already in full swing.
Germany's Blumenkasten Culture and Balcony Lifestyle
Francine McKenna-Klein - German Culture Editor German Culture Site
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Avatar: HOHENZOLLERNBRUECKE Cologne with CATHEDRAL and LUDWIG MUSEUM. The Bridge a symbol of how Germany was rebuilt after WWII, it was left in ruins, the Cathedral with roots in the 13th century represents the country's history, Museum of Modern Art the present day.