Tourists and camels stand in front of the Khazneh (Treasury) in Jordan's ancient city of Petra on May 5, 2017. 
Established as the capital city of the Nabataeans, the rose rock city is Jordan's most popular touristic site and was chosen as one of the seven New Wonders of the World in 2007. / AFP PHOTO / THOMAS COEX        (Photo credit should read THOMAS COEX/AFP/Getty Images)