Raqum, the Rose city, or the Lost city. All these names tell you about a unique place in the Jordanian desert – The Lost City of Petra. Why is it called a lost city if we know about it? Well, it is because from the 7th century until the 19th century (1812) the city was lost, and only traveling Bedouins knew about its existence. So, who built Petra and how did it become ‘lost’? In this…