Questions to accompany Petra: Lost City of Stone, PBS NOVA season 42, episode 5. The video is available through PBS, iTunes, and Amazon Prime. At the time of publication, it also streams on YouTube. [YouTube link embedded in episode title on Google Docs files.] Not sure how long PBS will keep the YouTube post active.PETRA: LOST CITY OF STONE (51 questions)More than 2,000 years ago, the thriving city of Petra rose up in the bone-dry desert of what is now Jordan. An oasis of culture and abundance,