Oh that's fascinating. [She's mumbling almost to herself now.] They can store a lot of water, can't they? Must be useful if you're trying to cross the desert. Unless they're toxic?

[Speakers have their own watering points, carefully maintained and obscured, as well as the public ones they maintain for travelers. Water supply is one of those things she looks for out of habit, and it's been strange and upsetting not to understand basic survival in this place.]