 When they go on strenuous hikes in the heat, while temperatures remain high this summer, park visitors are advised to carry and drink plenty of water and avoid strenuous activity, like hiking. That, to me, is a strenuous activity, right? I mean, maybe to somebody else it wouldn't be, but in 100-degree weather, it's strenuous to everybody. So what's that, Ian? How old? They were 53 and 23, yeah.