index.html

<style>
#container {
    display: inline-block;
    margin-left: 200px;
    margin-top: 200px;
}
#container img {
    margin: 50px;
}
</style>
<script>
window.addEventListener('DOMContentLoaded', function() {
  let d1 = 0, d2 = 0;
  setInterval(function() {
    d1 += 10;
    d2 += 10;
    document.getElementById("img1").style.transform = "rotate(" + d1 + "deg)";
    document.getElementById("img2").style.transform = "rotate(" + d2 + "deg)";
  }, 10);
})
</script>
<div id="container">
<img id="img1" src="ukrain.png">
<img id="img2" src="ukrain.png">
</div>