Time TeamThe Lost Viaduct - Blaenavon, Torfaen
TV-G
S8 • E5 Feb 4, 2001 50m8.1
Looking for the world's first railway viaduct. 40 metres long, 10 metres high and 10 arches built in 1790. Yet within 25 years it had disappeared from the landscape. There was no record of it having been demolished so where has it gone?
