Journey to The Hidden City of Diamonds

A man named Usman goes on an adventure on the suggestion of his friend, Zain. Usman thinks that it is just some kind of ancient legend and does not believe in Zain. But Zain Suggested Usman to come with him, so he went to discover the Hidden City of Diamonds. On the way, they have many difficulties. Do you think Usman and Zain can discover the Hidden City of Diamonds or not?
Read on to find out.
(Dear Readers, this was my first experience of story writing, so the story may not be so interesting. but please encourage me and correct my mistake which I made in the story through the comments. Thank You)