Bread factory workers produce bread at the bakery Plentz Images of bread factory workers producing bread in Schwante at the bakery Plentz where 26 different sorts of bread are baked every day in this 136-year-old family business in northern Germany. German bakers are calling for their breadmaking to be recognised by the UN's cultural organisation, UNESCO, as 'intangible cultural heritage', alongside the likes of Argentina's tango, carpet weaving from southwest Iran and France's four-course 'gastronomic meal'. Images.