<?xml version="1.0"?>
<svg width="120" height="120" 
     viewPort="0 0 120 120" version="1.1"
     xmlns="https://www.w3.org/2000/svg">
	
    <rect x="10" y="10" width="100" height="100">
        <animate attributeType="XML"
                 attributeName="x"
                 from="-100" to="120"
                 dur="10s"
                 repeatCount="indefinite"/>
    </rect>
	
</svg>