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

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