Postman Andreas Oberauer delivers mail and parcels to Germany's highest mountain, the Zugspitze mountain, near Garmisch-Partenkirchen, Germany, February 1, 2019. Oberauer has to scale Germany's highest mountain on a day-to-day basis to collect and deliver post for workers and tourists on the 2962 meter high alpine peak. Picture taken February 1, 2019. REUTERS/Michael Dalder