The Spreewald (German for “Spree forest”) is situated 100 km south-east of Berlin and designated a biosphere reserve by UNESCO in 1991. It is known for its traditional irrigation system which consists of more than 200 small channels (called “Fließe”; total length : 1,300 km ) within the 484-square-kilometre (187 sq mi) area. The landscape was shaped during the ice-age. Alder forests on wetlands and pine forests on sandy dry areas are characteristic for the region, however, also grasslands and fields can be found. read more…