Previously, due to the thick fog, I had no idea how wide that deep canyon was.
The sun has now come out and dispelled most of the fog. Although there is still a thin layer of mist over the canyon, it will not prevent me from seeing its full view.
Right now I'm standing above this huge canyon, with a cliff face at least 300 meters high below me.
Perhaps because it had just rained, the floodwaters in the canyon roared like wild beasts, swirling and surging wave after wave.
Standing here, compared to the great river before me and this enormous canyon, I feel as insignificant as an ant.
I don't know how wide it is, but all I can see is a small black dot on the opposite bank of the river.
I plan to use the thumb distance method to roughly estimate the width of this river.
The thumb distance measurement method is a simple way to estimate distances, which uses the principle of similar triangles.
The distance between a person's eyes is about one-tenth of the length of their arm. When pointing the thumb at a target object, the distance between the target and the person can be estimated based on the position of the target in the eye and the ratio of the distance between the thumb and the eye to the actual arm length.
I first stretched my arm out horizontally and raised my thumb.
First, observe the target with one eye, which is the cliff opposite that forms a black dot, and align the target with your thumb.
Then observe with the other eye, and you will find that the target has shifted relative to the thumb.
At this moment, there will be a common intersection point in the left and right fields of vision, forming two isosceles triangles of different sizes based on the distance between our eyes and the displacement distance of the target we see.
Because these two isosceles triangles are derived from the difference in left and right field of vision extending to the target, the intersection of their fields of vision, as well as the arm and the target, share three equilateral sides.
At this point, the proportions of the two opposite isosceles triangles are also the same.
The ratio of the distance between a person's eyes to the distance of their outstretched arm is approximately 1 to 10. That is, if the distance between the eyes is 1 decimeter multiplied by 10, the distance between the arms is 1 meter.
The distance is estimated based on the relationship between the target's displacement distance, the distance between the eyes, and the arm length. Generally, multiplying the target's displacement distance by 10 gives the approximate distance between the target and yourself, with the unit being the same as the arm length unit.
It's important to note that you need to have a general understanding of the dimensions of the actual reference object beforehand.
For example, a car is about 5 meters long, and a floor is about 2.5 to 3 meters high.
When you extend either arm and close one eye, point your thumb towards the rear of the car, then switch eyes and close your other eye, you'll find your finger is no longer in the same position.
It moved a distance to the left or right, and then we used the method we used before to measure sunset.
If we take a five-meter car as a standard unit, the distance it travels within our field of vision is the distance it travels. For example, if it travels three units, that's 15 meters.
The 15 meters here is equivalent to the distance between a person's two eyes, and then the ratio of the distance between the eyes to the distance of an outstretched arm is 1 to 10.
If the two are in the same ratio, you only need to multiply 15 meters by 10 to get the actual distance between yourself and the target being measured as 150 meters.
Using this method, I determined that the approximate distance of this canyon should be between 1500 and 1800 meters.
This data still gave me quite a shock. Because of the distance, I chose a large mountain near the water as my reference point. Even though there was a bit of fog, the mountain was so big that I could still see it roughly, and the error wouldn't be too big.
At this point, the river can no longer be called a river; it would be more accurate to call it a full-fledged river. Its width is comparable to that of the middle reaches of the Yangtze River.
I never imagined that after being here for so long, there would still be such a magnificent river in the vast rainforest. It truly makes one marvel at the wonders of the Creator.
I am now almost certain that if human civilization does exist in this rainforest region, there is an over 80% chance that they are here.
I can't quite describe how I feel right now; I feel a mix of excitement and worry.
What excites me is that after being here for so long, I can finally see my fellow human beings again. Humans are social animals, and if we are alone for a long time, we will have great psychological problems.
Over time, they might even forget their own civilization and revert to being savages, as evidenced by numerous examples during World War II.
Some individuals who were stranded in the wilderness eventually lost contact with their kind for a long time, and their habits became like those of wild beasts, eating raw meat and drinking blood, and they didn't even know how to use fire.
I was quite lucky to have Top and Pat by my side; otherwise, I don't know how long I could have endured this lonely life.
But I am genuinely worried. I don't know if these locals will be hostile towards me, so I have a very conflicted feeling.
Regardless, we still have to face what we have to face. What's meant to be will be. There's no use thinking about it now; let's see how things go before deciding what to do next.
Now I need to find a way down to the bottom of the canyon to explore the environment here.
I walked along the edge of the canyon, and gradually the terrain began to slope, and a road covered with thorns appeared before me.
Judging from the scattered footprints on the ground and the height of the collapsed vegetation nearby, this should be the trace left by a wild boar weighing four or five hundred pounds with a large group of piglets that frequently passed by.
At this moment, I noticed some half-eaten bright red berries nearby. I had seen these before when I first came to this world. They are called tornado berries and are edible and have some medicinal value.
Top was probably seeing these bright red berries for the first time, and it jumped up and down with joy, wanting to hop over and pick some to taste.
"Don't move, Top!"
Just then, I shouted to stop Top, who was about to run forward. When Top saw me suddenly calling him so urgently, he stopped and looked at me with some suspicion.
His expression seemed to say, "What are you doing, kid? You're always making a racket, you scared me."
I ignored Top and pulled it aside. I took the spear from my body and began poking around under the dense leaves of the tornado rose.
Because I just saw that not far from Top, the leaves only moved slightly before returning to stillness.
At this moment, I am certain that something is lurking under that leaf, and based on my past experience, the probability of it being a snake is extremely high.
The fact that the leaves twitched so little indicates that a highly venomous snake was lurking inside! Only a venomous snake would move so little.
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