<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Modal Example</h2>
<img src="https://d1o50x50snmhul.cloudfront.net/wp-content/uploads/2017/09/08174354/gettyimages-639549057.jpg " class="img-responsive" data-toggle="modal" data-target="#myModal" width="500px">
<div class="modal fade" id="myModal" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class=" ">Nature Image</h4>
</div>
<div class="modal-body">
<img class="img-responsive" src="https://d1o50x50snmhul.cloudfront.net/wp-content/uploads/2017/09/08174354/gettyimages-639549057.jpg"width="500px">
</div>
<div class="modal-footer">
<p class="text-center"> This is ur gallexy pic /Amazing picture </p>