Germany, Berlin, Mitte, Holocaust Memorial designed by US architect Peter Eisenmann with a field of of grey slabs symbolising the millions of Jews killed by the Nazis.

Germany, Berlin, Mitte, Holocaust Memorial designed by US architect Peter Eisenmann with a field of of grey slabs symbolising the millions of Jews killed by the Nazis.

Germany, Berlin, Mitte, Holocaust Memorial designed by US architect Peter Eisenmann with a field of of grey slabs symbolising the millions of Jews killed by the Nazis.

Germany, Berlin, Mitte, Holocaust Memorial designed by US architect Peter Eisenmann with a field of of grey slabs symbolising the millions of Jews killed by the Nazis.

Germany, Berlin, Mitte, Holocaust Memorial designed by US architect Peter Eisenmann with a field of of grey slabs symbolising the millions of Jews killed by the Nazis.

Spain, Catalonia, Barcelona, La Pedrera or Casa Mila on Passeig de Gracia, designed by Antoni Gaudi, view of the roof through mesh covered attic window.

Spain, Catalonia, Barcelona, La Pedrera or Casa Mila on Passeig de Gracia, designed by Antoni Gaudi, view of the roof through mesh covered attic window.

Spain, Catalonia, Barcelona, La Pedrera or Casa Mila on Passeig de Gracia, designed by Antoni Gaudi, view of the roof through mesh covered attic window.

Greece, Makedonia, Verioa, geometrical colorful plastic crates forming a pattern.

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Didcot Power Station cooling towers in Oxfordshire.Didcot Power Station Oxfordshire coal powered energy town Sutton Courtenay natural gas national grid residential homes carbon pollution...