寻秘自然：地球往事
Opis filmu
Opis oryginalny: chiński
In 1997, a Cambrian paleontological fossil was unearthed in Chengjiang, Yunnan. It lay quietly in the fossil library of Northwest University and no one noticed it. Until it was discovered by Professor Shu Deqian, it caused a sensation all over the world and was called "the best fish in the world." . In 2016, Chinese scientists collected a 100,000-year-old stalagmite from Sanxing Cave in Guizhou. Unexpectedly, this stalagmite recorded a shocking change in geological history. Their research results shocked the global geological community. How many mysteries are left to mankind in the Cambrian Period? What kind of earth-shattering changes are recorded in ancient stalagmites?