Renato Häusler is one of Europe's few remaining night watchmen, who are tasked with keeping an eye over their cities and ringing the hourly bell—thus carrying on a tradition dating back more than 600 years.
![Avatar](https://cdn.statically.io/img/i.pinimg.com/140x140_RS/cd/07/2b/cd072b79cd4a89e043b3b57b263aaa93.jpg)
Sarah Sabata