not, kölsch. heinz grune has lived in cologne his whole life. >> heinz: cheers to the -- >> anthony: prost. he does marketing for several german breweries, so a kölsch is an integral part of both his social and business lives. kölsch is not a brand. what is this anyway? >> heinz: let's call it a style. it's a pale ale, and people love to drink it in high amounts. >> anthony: malzmuhle brewery has been slinging beer non-stop for the last 150 years. democratic, utilitarian, welcoming to all people with a powerful thirst. i love the whole style. the little glass -- is this unique to cologne? >> heinz: other regions of germany, you won't find such small glasses. >> anthony: right. >> heinz: they start with 03 to 05. >> anthony: to the giant -- >> heinz: yeah. >> anthony: you know, if you have a giant thing of beer, it's like piss warm by the time you get down to the bottom. >> heinz: right. but here it's necessary because it is not very carbonated, and the foam disappears in minutes.