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Adrodd fel Amhriodol
Testun Gwreiddiol (Anodiad: EPW056646 / 2129849)
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Wood Green current traction substation, supplying power to th Piccadilly line between Wood Green and Arnos Grove. Designed by Charles Holden. More on this at https://harringayonline.com/forum/topics/wood-green-s-mysterious-tfl-substation
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