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EntertainmentThe house is energy efficient and environmentally friendly
The most interesting houses under construction today are energy efficient and environmentally friendly.Energy-saving and environmentally friendly house (continued)
Today's houses are made of glass and steel, but they can be made entirely of ancient materials. Ancient construction techniques are something that architects and engineers are
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Can carp live 10 years in a tank without feeding?
Why do Italy and Switzerland have to redraw the border?
Japanese bullet train accident-free for 60 years
The world's most crowded apartment building: Can accommodate up to 30,000 people, the view inside is overwhelming
World's oldest wine jar contains cremated human bones
America catches strange signal from 1.3 billion light years away from Earth
Two black holes closest to Earth discovered, of a kind never seen before
Solar sails help spacecraft reach Mars in 26 days
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