Rookhope Arch, remains of chimney viaduct from Lintzgarth lead smelting works, Rookhope, Co. Durham
Graham Rogers (<a href="//commons.wikimedia.org/wiki/User:Rodge500" title="User:Rodge500">Rodge500</a>)
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>