Construction workers installing solar panels on roof

people 40 45 years 40 49 years 40s 45 49 years 45 50 years adult adults african american african american ancestry african american ethnicity african americans african ancestry african descent alternative alternative energy alternative energy source alternative energy sources assemble assembled assembling assembly assist assistance assisting basalt black black ancestry black people black person blacks build building buildings climbing colorado concentrate concentrating concentration construct constructing construction contractor contractors cooperation energy environment environmental issue environmental issues environmental responsibilities environmental responsibility environmentally friendly eye contact facing camera facing the camera focus focused focusing forties green green energy hard working head head and shoulders help helpful helping house houses installation installing looking at camera looking to camera looking towards camera male males mature adult mature adults mid adult mid adults mid adult mid adult man mid adults middle aged middle aged one person outdoor outdoors panels portrait portraits power resources management roof roofs rooftop rooftops solar solar energy solar panel solar panels teamwork trade trades tradespeople tradesperson vertical working together