C951 Earth's past
It is not impossible.
The evidence of the Spirit Birth Seal was just one of them.
When Chu Feng entered the Shentian Manor, a Cosmos Holy Land expert used his consciousness to descend in the Shentian Manor. He had a short conversation with Chu Feng and told him some information.
During this conversation, Chu Feng learned that the three holy lands were survivors of the previous era
