<template name="imageViewerViewports">
    <div id='imageViewerViewports'>
        {{ #each viewerWindow }}
        <div class="viewportContainer" style="height:{{height}}%;width:{{width}}%;">
            <div class="removable">
                {{ >imageViewerViewport}}
            </div>
        </div>
        {{ /each }}
    </div>
</template>