Li Wei, Lin Ju, Jeff Bezos, Ma Yilong.
Within under a year, four individuals ventured into space, all of them prominent figures in their own countries and in the aerospace world.
It felt as though the space race had reached a frenetic phase, with leaders in private space flight lining up to go to space while national space agencies also prepared to send key officials and scientists.
The difference from a few decades ago wasn't just a matter of courage, but it indicated a trend: from the era of Yuri Gagarin, the risk of manned space flight had gradually decreased to controllable levels and safety had significantly improved.
In the 1960s, how did the Union scramble for time to send the first human into space?
They built four Union rockets at a time, and as long as there were two consecutive successful unmanned launches, they would send up an astronaut. Each launch was like a game of Russian roulette, with no one knowing if it would explode.
