Is there really someone in the world who travels through time and space? Could he travel back to ancient times?

At present, there was no conclusive evidence to prove the existence of time travel. However, according to science fiction novels and movies, traveling through time and space seemed to be a possible phenomenon. For example, in the movie " Interstellar Crossing," the protagonist traveled through time and space with the help of a black hole and arrived at the Earth of the past. However, this phenomenon of traveling through time and space was only fictional. At present, there was no conclusive evidence to prove its authenticity.