20141011_152015.jpg Joseph Williamson's TunnelsThumbnailsJoseph Williamson's TunnelsJoseph Williamson's TunnelsThumbnailsJoseph Williamson's TunnelsJoseph Williamson's TunnelsThumbnailsJoseph Williamson's TunnelsJoseph Williamson's TunnelsThumbnailsJoseph Williamson's TunnelsJoseph Williamson's TunnelsThumbnailsJoseph Williamson's TunnelsJoseph Williamson's TunnelsThumbnailsJoseph Williamson's TunnelsJoseph Williamson's TunnelsThumbnailsJoseph Williamson's Tunnels
Here a brick arch has been built to cover the lower roughly-quarried stone. At the far end at a lower level another arch has been partially cleared out.