angles appearance attached clean-energy electricity energy energy-generating energy-saving fixed framed frames generating glass green-energy metal metal-sheeting modern panels perspective perspectives position power ridged ridges roof rooftop rooving saving savings shade shadow shadows solar solar-power sun sunlight sunshine surface technology orange terracotta tiled tiles air-vent energy saving historical mughal natural lighting ventilation widow broken bulbs debris disposal dumping ground dumpsite electronic environmental lamps light lightbulb lights pollution quicksilver rubbish save throwaway society waste ancient energy saving bulb lamp lamp post lantern old lamb post storm lamp street lamp bright bulb fluorescent glow green illuminate illuminated illumination long life low power purple white

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38 0 grade account_circle solar energy6b
47 1 grade account_circle solar energy5
63 5 grade account_circle solar energy4
28 0 grade account_circle solar energy2
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11 1 grade account_circle View from the past
27 0 grade account_circle electronic waste
34 0 grade account_circle electronic waste 2
6 1 grade account_circle Lamp Post
11 0 grade account_circle Low energy lamp
128 1 grade account_circle Wind turbines
17 1 grade account_circle Wind turbines
46 0 grade account_circle Wind turbines
137 2 grade account_circle Wind turbines
7 0 grade account_circle Longlife light bulb
43 2 grade account_circle icons
13 1 grade account_circle Waves
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