What Happened to the Live Broadcast Marquee? Have You Ever Heard of Parallel Universes?

In addition to writing about how the ancients painted the sky, this book also continues to write about how to change the past. Since the future is changeable, why does the live broadcast marquee still exist? What happened to the world under the line theory of the universe? Since the past is changeable, does that mean the end of human destiny? What does the emergence of the live broadcast marquee mean? Humanity's journey is the universe and stars… This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.