@if (image$ | async; as image) {
  <img [src]="image" role="button"
    [alt]="'ADF_VIEWER.SIDEBAR.THUMBNAILS.PAGE' | translate: { pageNum: page.id }"
    title="{{ 'ADF_VIEWER.SIDEBAR.THUMBNAILS.PAGE' | translate: { pageNum: page.id } }}"
    [attr.aria-label]="'ADF_VIEWER.SIDEBAR.THUMBNAILS.PAGE' | translate: { pageNum: page.id }">
}