So I suspect there might be something wrong with his signal device. If it really is malfunctioning or out of power, are there any other ways we can find him?
After a moment of contemplation, Sun Tao said, "Then we can only look at other distinctive features on his body. Have you issued any missing person notices or anything like that?"
Just as Lu Yuan was about to speak, Sun Tao immediately shook his head and continued, "No, no, no, this method won't work. I was wrong. Although the population of the entire China has already been reduced to a very small portion."
However, searching by physical characteristics is practically impossible, and many cities are currently without power, making fingerprint searches impractical as well! There must be other methods!
Sun Tao tapped the table rhythmically with his hand. Lu Yuan didn't interrupt him because this was Sun Tao's usual way of thinking; the rhythmic tapping helped him speed up his brain's processing.
Sun Tao's eyes followed the finger he was pointing, looking forward, past Lu Yuan's shoulder, and landing on a flower bed behind them.
The flower bed is planted with an evergreen tree with a very long trunk. To prevent the soil from losing too much moisture, the gardener specially brought some fine sand to cover the flower pot.
This serves both a decorative purpose and helps maintain a relatively suitable level of moisture in the soil.
Just then, Sun Tao suddenly slapped his forehead and shouted something.
"Sand, yes, it's sand!"
Lu Yuan was slightly taken aback after hearing what the other person said.
"Sand? I get it. You mean the desert disappeared along with Xiwen. Since finding people isn't realistic, then find the sand!"
Sun Tao smiled broadly and nodded immediately: "That's right, it's a desert. Deserts weren't very common in China at that time; they could only be found in the deserts of the northwest."
If we follow this clue, we will find that the area of sandy land in the entire China is very small.
Furthermore, the sand inside this space is extremely rare; it's not the same as the sand outside. I've done some research before and confirmed that the sand inside is different from the sand outside!
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