BBC's Tom Brook explores never-before-seen footage and shares his personal connection with the new documentary. Black holes are one of the mysteries of the universe where all the laws of nature as ...

Additional scenes include the Great Salt Lake and a copper mine in Bingham ... against the backdrop of the canyon. Email us at [email protected] if you have questions about the footage and ...

But extracting the coveted salt means descending into dark caves, then blasting and carrying heavy rock. Faizan Panjwani: The problem is the massive size of the blocks that come from the mine.

Tucked away in the North East of England is ICL Boulby Mine, a working polyhalite and salt mine and the second ... BBC's Tom Brook explores never-before-seen footage and shares his personal ...