GOING UP AND UP FELT strange, I kept expecting to go back down at some point the way you did with tramping, where going up usually always meant going down too, but that wasn't the intention here. Especially not with the molten rock I could sense beneath the ground.

Pity it doesn't at least warm this horrid chamber, I thought with a shiver and then retracted that thought when I realized what it would mean. Better to be grateful for the cold.

'How many days do we have ...