Allemagne (1) Observations (1) Surveys (1) Interviews (1) Observations (1) Urban parks (1) City dwellers (1) Walking (1) Teaching (1) Stores, Retail (1) Service industries (1) Pollution (1) Pedestrians (1) Parks (1) Merchants (1) Matter (1) Local transit (1) Gait in humans (1) Education (1) Day (1) Commuting (1) Cities and towns (1) Bicycles (1) Beltways (1) Attitude (Psychology) (1) Air (1) Interviews (1) Sounds (1) Use (1) Usage (1)