<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDcvYmVjODg0NjItYWVhYS00YmE5LTkzZjctYWRjY2QzMmE3ZGJhLmpwZw==.jpg"></p><p>The city has about 18 million residents in its prefecture-level area. </p>