"Why couldn't we? Seems like it'd be easy enough..." As cloning went. It had to be easier than cloning a living person. But look at her not saying that.
She tossed him a briefly dubious look, but after a moment reached out to take his hand once more. He had a point, and she did want to get to see the insides of the cave, not fall and knock herself unconscious or sprain something before she even got inside them. "Have you got the sonic screwdriver on you? Cos it might get a bit dark deeper in the caves." For the most part all the ice and snow seemed to be keeping the inside of the caves well-lit, but even bouncing light would have to run out eventually.