Worlds greatest foresters. Finland - Finnish daily life Forest Academy of Korkeakoski 1939 On Kitchen duty - each day, another student is commissioned to do kitchen work, which means cutting up logs into suitable sizes for fuel. the one who does the job wears a red feather in his cap. According to temperament, the feather is either coveted or loathed - it means more food, but also more hard work. From a series These Men Built the Mannerheim Line - the Finnish zone of frontier fortifications was designed and constructed entirely by the Finnish people. Finnish engineers began work on the line in 1937 but it was not until this summer in 1939 that the work was speeded up and completed. Then, conscious of the dangers of a weak frontier, Finnish young men and students gave up their summer holidays in order to help voluntarily in the building of tank traps and fortifications.