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olympo570: Brunel's Skewed Stone Arch Bridge, Pontypridd
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olympo570: Former Pontypridd Signal Box, N'r Rhondda, Pontypridd
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olympo570: Graig Railway Tunnel Entrance, Pontypridd
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olympo570: Brunel's Rhondda Viaduct, N'r Rhondda, Pontypridd