The Three Viaducts of Caerphilly

Revisiting the the three viaducts built to link the Barry Railway to the Brecon and Merthyr Railway around Caerphilly. What's left and why are they no longer there? Easy Lemon 60 Second by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/