<!DOCTYPE html>
<html>
<body>
<p><strong>Note:</strong> This example does not work in Internet Explorer and Safari.</p>
<svg width="100%" height="300px">
<g id="R1" transform="translate(250 250)">
<ellipse rx="100" ry="0" opacity=".3">
<animateTransform attributeName="transform" type="rotate" dur="7s" from="0" to="360" repeatCount="indefinite"/>
<animate attributeName="cx" dur="8s" values="-20; 220; -20" repeatCount="indefinite"/>
<animate attributeName="ry" dur="3s" values="10; 60; 10" repeatCount="indefinite"/>
</ellipse>
</g>
<use xlink:href="#R1" transform="rotate(72 390 150)"/>
<use xlink:href="#R1" transform="rotate(144 390 150)"/>
<use xlink:href="#R1" transform="rotate(216 390 150)"/>
<use xlink:href="#R1" transform="rotate(288 390 150)"/>
</svg>
</body>
</html>