School project, students installing a solar plant, Freiburg im Breisgau, Black Forest, Baden-Wuerttemberg, Germany, Europe

building people rooftops sunny caucasian appearance casual clothing solar energy roof black forest nature small group of people baden wuerttemberg travel freiburg im breisgau solar panel schoolgirl back lit teenager outdoors european ethnicity back light rooftops germany person alternative energy baden wurttemberg architecture europe solar power plant school schoolgirl side view only teenage girls only girls day sky full length building education schoolboy energy