Titan's main shaft is 460ft (140m) deep, as high as the London Eye, sculpted out of limestone by rain water over millions of years.Local potholer and underground explorer Dave Nixon led the team that discovered it in 1999, near Castleton.
Read this and watch the video also. Also have a look at the virtual tour of white scar cave at Ingleborough here. More of this later when the seniors return from study leave.
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