==Smithsonian Ch. - Secrets Unlocked Series 1 (2020) Part 19 Riddle of Petra== [[http://forums.mvgroup.org/index.php?showtopic=82861|Smithsonian Ch. - Secrets Unlocked Series 1 (2020) Part 19 Riddle of Petra]] {{fhd.jpg?45|}} {{https://forums.mvgroup.org/release.images/Harry65/Riddle%201.jpg?300&nolink|}} **Secrets Unlocked Series 1** Our world holds remarkable relics that are full of secrets, written in stone, gold, and blood. Discovering the truths behind these mysteries could change history as we know it. Join host Adam Mastrelli as he brings us face-to-face with these puzzling treasures. Explore hidden corners of the world, decipher ancient documents, and apply groundbreaking research and forensic techniques in our quest to discover the truth about these fabled cities, monuments, and remnants. **Part 19 Riddle of Petra** What made Petra's people abandon their city after surviving Roman occupation, massive earthquakes, and a flood? ==See Also== ==Trailer== ,,Full Version Available Upon Request,, {{ youtube>PIG-WUzUCe8 }} \\ {{tag>FHD Science Archaeology Discovery Mystery Cities Petra Fable Smithsonian_Channel SER Smithsonian_Ch._-_Secrets_Unlocked_Series_1_(2019) 2020 ar04/20 Name}} \\