 you will probably die within about 48 hours. So you have to live with that every day, and that's also in the book in terms of how stressful that was in addition to all of the other elements and wildlife and everything else going on with the terrain. So, Kevin, very few people will ever have the desire, the resources, or the gumption, quite frankly, to take on this type of endeavor to see the Grand Canyon. Very few people have ever done it.