Did they find the secret to immortality?

The moment with the microphone on at the parade in Beijing is hyping up on Twitter/X

Xi Jinping: "People used to rarely live to 70. Now at 70 you are still a child."

Putin: "With the help of biotechnology, organs can be replaced endlessly... people will even be able to achieve immortality."

Xi Jinping: "Some predict that in this century people will be able to live up to 150 years."