Last night at Wheal Coates Mine, Cornwall, UK. Took a similar image last year in landscape format, but I wanted one in portrait format. This is because I still haven't made the cover of Cornwall Life magazine even though I've made the cover of Somerset Life four times. Here's hoping!
https://www.tonyhowell.co.uk/Wheal-Coates-Cornwall-Prints-Canvas-Framed-Photos.htm