Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Three images showing people involved in the Philly Streetlight Improvement Project posing for the camera
Evening view of LED street lights along an urban road
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array
Daytime view of a man and a woman in hard hats inspecting a rooftop solar array