Suriet 1: Men at work performing heat insulation on a house in view of energy savings
Suriet 2: Men at work performing heat insulation on a house in view of energy savings
Suriet 3: Men at work performing heat insulation on a house in view of energy savings
Suriet 4: Men at work performing heat insulation on a house in view of energy savings
Suriet 5: Men at work performing heat insulation on a house in view of energy savings
Suriet 6: Men at work performing heat insulation on a house in view of energy savings
Suriet 7: Men at work performing heat insulation on a house in view of energy savings