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From giant pumpkins to Berlin's incredible Festival of Lights, check out this week's most amazing photos.
The brooch dates back to the 1600s, and will feature in The Cheapside Horde exhibition that opens Friday 11 October at the Museum of London.
The installation can be seen at Germany's Kunstmuseum.
The swimming pool has been built in Herald Square, New York.
The piece is on display in Somerset House in London.
The spectacle is part of the city's festival 'Light Night Leeds 2013'.
The Valley is officially recognised as an Area of Outstanding Natural Beauty.