Why can't a visitor open a image at a wordpress site : Lots Of Wordpress websites out there containing lots of advantages. 

**One of them is that any visitor can't open a image. (If the visitor is not quite good at HTML)** 

<br>
LIKE IN THIS PICTURE: - 
<br>(Request: anybody please make the pic permanent in this page on this post, please......) 

[SNAP-SHOT on BBC AMERICA][1]

I want to know, How could I do that on my webpage. 

<!-- begin snippet: js hide: false console: true babel: false -->



<!-- language: lang-html -->

    <!DOCTYPE HTML>
    <html lang="en-US">
    <head>
    	<meta charset="UTF-8">
    	<title>Trek Butterfly Madone</title>
    	
    	<style type="text/css">
    		body {
    			margin: 0;
    			margin-top: -30%;
    		}
    	</style>
    </head>
    <body>
    	<a href="https://www.youtube.com/watch?v=bD-Wmdm-WdA&t=101s">
    		<img src="http://images.amcnetworks.com/bbcamerica.com/wp-content/uploads/2018/07/OneAmazingDay_1920x1080-1600x720.jpg" alt="Poster" width="100%" id="poster"/>
    	</a>
    </body>
    </html>

<!-- end snippet -->


  [1]: https://i.stack.imgur.com/VxC1P.jpg