<!DOCTYPE html>
<html>
<svg width="200" height="200">
  <defs>
    <clipPath id="myClip">
      <circle cx="30" cy="30" r="20"/>
      <circle cx="70" cy="70" r="20"/>
    </clipPath>
  </defs>
  <rect x="10" y="10" width="100" height="100" clip-path="url(#myClip)"/>
</svg>
</html>