As Zhao Rong led everyone, after a day and night of walking,
they entered a valley lush with tropical rainforest.
However, before they could venture deeper into the valley,
Miss Lili pointed to a mountain top not far away and said to Zhao Rong:
"Big brother Zhao Rong, look, there are actually people on that mountain top..."
When Zhao Rong heard Miss Lili say that there were people on the mountain top,
he felt it was impossible and said:
"Miss Lili, are you kidding?
We are in the Carboniferous period right now...
The Carboniferous period was 300 million years ago, there couldn't possibly be humans..."
Yu Lan added from the side, saying:
"The history of humanity is just a few tens of thousands of years...
From when we first appeared to our evolution, it's not even over 2 million years..."
Xuelian, sitting nearby, said curiously:
"Since we humans evolved into higher animals in just 2 million years,
then tell me, dinosaurs lived on earth for billions of years,
