"Well, I'm pretty sure there must be some kind of drinking hole here. If they smoke they definitely drink."

At least, John is pretty sure that's how it works.

He grabs up his t-shirt and gives it a quick dunk into the water, trying to roughly clean it as best he can with bar soap and hoping it'll dry out in the heat.

"Anyway, you'll dry off in about five minutes in this heat. Probably be clammy again in another five."

So don't worry about it, Ianto, you don't need a towel.