Fünf Finger Föhn FrisurA persons hair may be likened to the top of a mountain. But while mountaintops are often shrouded from our eyes by clouds around them, a persons top is almost always visibleespecially in latitudes that have given up the daily use of bonnets, hats and headscarves. Hence the understandably heavy pressure on peoples headsto get the hair just right. Over the course of several decades, photographer Peter Gaechter shot a wide array of hairdos for Zrich