title: How to display photos in two lines using swiper
body: <p>i wand to display photos look like this</p>
  <p><a href="https://i.stack.imgur.com/ISD9J.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ISD9J.jpg" alt="enter image description here" /></a></p>
  <p>but what i made doesn't show the photos like this.
  <a href="https://i.stack.imgur.com/lNEmw.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/lNEmw.jpg" alt="enter image description here" /></a>
  if i clicked the left or right side it will show the next photo.</p>
  <p>instead of that i just want the pictures to be displayed in two or three lines.</p>
  <p>how can i make it?
  please help me.
  Thank you</p>