But not everyone was convinced by the bizarre claims, with one person saying: “Underground city? You cannot be serious.”
There is also no evidence to back claims life exists on Mercury, or anywhere beyond our planet.
According to NASA, the conditions on the innermost planet of the system are simply too harsh for life to thrive.
The space agency said: “The temperatures and solar radiation that characterize this planet are most likely too extreme for organisms to adapt to.”
The most likely explanation for Mr Waring’s so-called discovery is an effect known as pareidolia.