title: How to generate a collage image like shown
body: <p>How to generate a collage image like show below. I would appreciate if you can let me know if there are any online tools or apps which do this. Thanks!</p>
  
  <p><a href="https://i.stack.imgur.com/ujssL.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/ujssL.jpg" alt="enter image description here"></a></p>