I don't know if it's the camera's pigment problem or if the earth has been heavily polluted in just 42 years!
The satellite photograph of the Earth in 1978 is blue and brightly colored.
By 2020, the earth is not so blue, and the colors presented are not so bright, slightly gray!
Scientists predict that in 2066, Earth will become such a lifeless gray planet, and in another forty years, what can we rely on to survive?
Whether the prediction will come true is now no way to confirm, only to wait for time to give the result.
But as a rural person, when I was a child, I could lie on the roof and look up at the stars, and the stars were dotted, especially beautiful!
Now except for the moon, the starry night sky can no longer be seen!
In the 90s, 3800 people in the village, motorcycles, cars and walking tractors were counted, and no more than twenty vehicles were fueled, all by walking and cycling, and some people used ox carts!
Today, it is still a village of more than 3,000 people, there are more than 300 cars, and motorcycles are basically more than two in each household!
How to protect the environment, it is really worth every deep thought, there is only one earth, this generation has squandered, what will future generations do?
Later, Sun Tzu asked, what does the brilliant starry sky look like?
Is it appropriate to show him a picture?
