Local baker Pirkko Lensu brushes the pies with butter and water mixture in Sara museum cottage, where she makes Finnish national pastry Karelian pie in traditional environment in Lemi, Finland, Sept. 2, 2019. Karelian pies are typically traditional Finnish food with more variations have been developed nowadays. But the traditional recipe has been well protected and inherited. (Photo by Matti Matikainen/Xinhua)