Check out these amazing images of Sias University dormitory buildings in #China’s Henan Province. The green rooftop blankets act as insulation in winter and keep the building cool in the summer, they help save electricity. Happy #EarthDay2021! #ClimateAction https://t.co/d2dT4xY0mhCheck out these amazing images of Sias University dormitory buildings in #China’s Henan Province. The green rooftop blankets act as insulation in winter and keep the building cool in the summer, they help save 1135592 Check out these amazing images of Sias