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17. 27th August 1938: A farmer's twin daughters feeding twin lambs on a farm near Derry city. (Photo by Fox Photos/Getty Images)
27th August 1938: A farmer's twin daughters feeding twin lambs on a farm near Derry city. (Photo by Fox Photos/Getty Images) Photo: Fox Photos

18. circa 1900: Roman Catholic church, Rosstrevor, Co. Down, at the foot of the Mourne Mountains. (Photo by Hulton Archive/Getty Images)
circa 1900: Roman Catholic church, Rosstrevor, Co. Down, at the foot of the Mourne Mountains. (Photo by Hulton Archive/Getty Images) Photo: Hulton Archive

19. circa 1935: A farmer and his wife putting their crop of potatoes into clamps in the shadow of the Mourne mountains in County Down. (Photo by Fox Photos/Getty Images)
circa 1935: A farmer and his wife putting their crop of potatoes into clamps in the shadow of the Mourne mountains in County Down. (Photo by Fox Photos/Getty Images) Photo: Fox Photos

20. circa 1900: The cathedral in Derry city. (Photo by Hulton Archive/Getty Images)
circa 1900: The cathedral in Derry city. (Photo by Hulton Archive/Getty Images) Photo: Hulton Archive
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