Inside the five meter tall culture tank, the rear of the glass was filled with a dark green liquid. From time to time, a series of bubbles would rise and die, as if demonstrating the ephemeral trajectory of life.

Life was indeed short. Even though the lifespan of humans was already high at the top of the gene chain, a life of seven to eight hundred years or even hundreds of years could still be described as' dying like the morning dew 'in the eyes of nature. And with the advent ...