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00:00This water represents the rain we get in monsoon season, the rain wets the soil, the soil would soak it up, just like that.
00:10This next step, this is the wind. The wind comes by and it blows over a whole new layer.
00:17That's why when you guys look at the sandstone, it's not just whole one layer, it's layer on layer.
00:22The rain comes back again, repeats the process, and it just keeps happening over and over again.
00:30For millions of years.
00:32As this keeps on going on, the weight of all the dry and wet sand begins to compress and compile down.
00:39So over time, yeah, it will start to compress down.
00:43This is the last time I'm putting it on? Right there.
00:46So as all this soaks in, the time and the weight starts to pressurize it, like this.
00:53Then as time goes on, it gets covered underneath all this sand, making all these sand dunes.
00:59As time goes on and a huge windstorm comes through, it'll remove all the sand, but leave the new sandstone.
01:07Oh, wow.
01:08Look at that.
01:10Wow.
01:11So because of this, yeah, there's a lot of reasons why we have this type of stuff.
01:16Look at that.
01:16It fell.
01:17So when you guys are here, look, you're able to pick it up.
01:22When you look at it, look at all those layers.
01:24Same thing with the hands.
01:25So this next step, there we go.
01:29It kept the shape.
01:30This next step, this is how it looks like when we get the flash floods.
01:34Hold on.
01:34Hold on.
01:35I dug it in a little too much.
01:37Take it back out.
01:38Oh, there we go.
01:40So right here, this is now the floods.
01:42When the floods come through, the floods act like a hot butter knife.
01:46It just cuts through.
01:47Over time, yeah, it gets deeper and deeper.
01:52Other than that, it's just the water shaping it out.
01:55See how it gets wide?
01:56Then when you go back through, go really slow, it gets deeper.
02:03Yeah, that's how long these canyons form.
02:05That's when you look at it, it's not just one single layer.
02:08Every time it goes through, it gets deeper and deeper.