These videos keep circling the same claim that old infrastructure was deliberately covered up. The ground-penetrating radar examples would be more convincing if they included depth calibrations and cross-checked with municipal records instead of just showing anomalies.
RE: The Clockwork Cities — Mechanical Infrastructure Found Buried Beneath Victorian Streets...The Buried Cities — What Ground-Penetrating Radar Is Finding Beneath Modern Streets...The 13th Month They Deleted From Every Calendar