How to implement animation through ReactCSSTransitionGroup?

Question

Animation

Good afternoon!
When changing the array index, after a certain time interval, the following picture with animation should be displayed, but the animation, unfortunately, works only once when entering the page.
How to make an animation show when changing the array index?
CodeSandBox: https://codesandbox.io/s/mq0kyr80p

Answer 1

Set a key for the image:

<img src={data.url} key={data.url} width="100%" alt="" />