Fenster eines Wohnhauses
Palabras clave
old building,
architecture,
building,
performance,
condo,
energy,
energy conservation,
renewal,
veneer,
window,
house,
modernization,
sustainability,
new,
red,
saving,
environmentally friendly,
environmentalism,
live,
house,
habitat,
home,
dwelling,
house-building,
thermal insulation,
ecology,
environmental
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