Is the rule of another civilization of the earth in front of humans?

Earth is a dynamic planet, home to more than 7 billion people today, with tens of millions of born and die every year. Our presence leaves traces in the air, water, soil and even space, but these signs are transient. Buildings, antiquities, and even catastrophic events, such as nuclear repercussions, will eventually fade into forgetfulness. This asks a question: If there is an advanced civilization that has been around for millions of years, will we even know? The hypothesis of the seminian, which was proposed by scientists Adam Frank and Javin Schmidt, addresses this question, which indicates that the discovery of such civilizations is more complicated than we may assume …