Steam locomotive 60532 Blue Peter,

Chirk Viaduct

LNER Peppercorn Class A2 No. 60532 Blue Peter is a 4-6-2 ("Pacific") steam locomotive built in 1948 at Doncaster Works to a design by Arthur Peppercorn, hauling express passenger services on British Railways' North Eastern Region. It is the only Peppercorn A2 in existence after the 14 other locomotives of its class were scrapped.