11510324 - A steaming pot of water against a black background11452931 - A pictogram of illustrations of energy saving tips13757841 - Modern architect's house with zinc roof13757840 - Bird's eye view of a modern architect's house at sunset13757843 - Kitchen and dining area in open-plan living room with high, wood paneled ceiling13757842 - Modern architect's house with zinc roof, view of illuminated interiors11976617 - Light bulb with green tree-shaped filament in front of concrete wall; 3D rendering11976616 - Light bulb with red heart-shaped filament in front of concrete wall - 3D rendering11018957 - Detail of ecological wooden house11018959 - Wooden facade of ecological house with solar panels11018960 - Solar panels on wooden structure of ecological house11018958 - Corner of ecologically-built wooden house11018962 - Ecological house facade with window and solar panels11018961 - Detail of ecological house with solar panels
