Original sentence: Another group, the "Wandervogel", was founded in 1895 by Hermann Hoffmann and Karl Fischer in Steglitz, near Berlin.Both sexes swam nude together in lakes and rivers, and in their hometowns they established "nests" and "anti-homes", sometimes in ruined castles where they met to plan trips and play music.In the 19th century hiking societies proliferated in Germany.One group, "Friends Of Nature", promoted social hiking under the slogan "Free Mountains, Free World, Free People".Seeking communion with nature, they pooled their money, wore woollen capes, shorts and Tyrolean hats, took long hikes and camped in the countryside.The movement also began establishing permanent camps open to all, providing the basis of the youth hostel movement which began in Germany in 1907.They began to take students on nature walks, then later on longer hikes.This developed into an anti-establishment youth movement across the whole of Germany, composed mostly of children aged between 14-18 years, organized into autonomous bands and totalling some 50,000 members