Allemagne (2) Education (2) Gardens (2) Courtyard gardens (2) Citizenship (2) Small gardens (2) Jardines (2) Éducation (2) Éducation (2) Citoyenneté (2) Jardins (2) citoyen (2) Allemagne (2) Pologne (1) République tchèque (1) France (1) Instruction and study (1) Development (1) Cultural assimilation (1) Preservation (1) Conservation (1) Books and reading (1) Congresses (1) Laboratory manuals (1) Fiction (1) Problems, exercises, etc (1) Congresses (1) Urban parks (1) Mark, German (1) Historic parks (1)